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Releases: xoxor4d/gta4-rtx

Release 1.2.1

10 Feb 16:45

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Changelog 1.2.1

I've pulled 1.2.0 because some of the new logic wasn't working as intended - fixed now.

Comp Mod / Misc

  • Fixed phone backgrounds completely - no more smearing
Screenshot 2026-02-08 195514 Screenshot 2026-02-08 195526 Screenshot 2026-02-08 195541

  • Spotlight cone and softness calculations were calculated incorrectly in prior versions which has now been fixed. Spotlight cones now properly resemble the original spotlight cones

Screenshot 2026-02-09 190036_comp


  • Fixed an issue that caused the web browser to render nothing (caused by earlier changes to phone rendering code)
  • Disabled snow cheats on FF fork because they would result in a crash when they were used
  • Fixed missing moon lighting on a certain part of the map by tweaking bxwnomoon (timecyclemodifier)
  • Global intensity of lights has been increased to better match the lights of the original game
image

  • Added logic which decreases Sunlight and increases the Skylight for "bad weather" (rain, lightning, cloudy) to get more of an overcast look. Impact can be adjusted via the gui / settings.
image

Base Remix Mod / AutoPBR

  • Removed a bunch of simple overrides on the base mod in favor of AutoPBR overrides with proper textures
  • AutoPBR V2 with a bunch of new materials from various cutscenes and DLC's (~16k replacements / 24k texture files)

Older Changelogs:

Changelog 1.1.9

Comp Mod

  • Fixed phone smearing issue on all phones / themes (Background is still black tho)
  • Slight phone aspect ratio fixes
  • Backported a few things from AutoPBR branch
  • Installer now uses the highest version zip it finds instead of the first one (when multiple comp-mod zips are in the downloads folder)
  • Installer can now download and install the AutoPBR pack (optional)

Runtime

  • Update runtime to latest commit
  • Fixed puddle roughness issues
  • Puddles now clear normal info of materials below (noticed after AutoPBR)

Changelog 1.1.8

  • Enabled remix' horizon based fog and added logic to increase the horizon height based on camera fog
    (to prevent a hard edge after a certain height)

fog01
fog02


  • Refactored light override and marker logic. Multiple .toml files with light overrides / markers can now be loaded from rtx_comp/light_tweaks / rtx_comp/markers. A-Z priority with earlier letters having higher priority.

  • Added the ability to add additional lights to an existing game light

Screenshot 2026-01-17 221058 Screenshot 2026-01-17 221112


  • Fixed the phone screen smearing issue and reduced fov impact on phone size

phone_02
phone_01


  • Enabled rtx.isShaderExecutionReorderingSupported in the rtx.conf to enable SER on supported systems
  • Blocked keyboard input to the game when imgui wants text input
  • The installer now creates a backup of the existing rtx.conf and comp_settings.toml

Changelog 1.1.7

Comp Mod

  • Fixed unbreakable sirens
  • Bar shaped sirens now have actual lights
  • Firetruck sirens now have actual lights (+ made firetruck sirens translucent)
  • Fixed a crashing issues on certain missions (see #49)
  • Added a tweaked timecyclemodifiers.dat to enable moon light everywhere
  • Added a setting to tweak intensity of the moonlight
  • Updated FF fork to re-enable fps counter + timecycle info
  • Updated Remix Runtime and fixed issues with per draw-call modifiers (instance issues - emissive flicker)
  • Fixed installer issues and added remix-mod downloading logic
  • Added code to prevent radar background flicker that could occur sometimes

Remix Mod

  • Added a PBR material for one type of sidewalk and corner variants (broker)
  • Added some road PBR materials (mostly generic asphalt) w/o albedo and a few damaged variants
  • Removed remix-mod files from the Compatibility Repo and put them here

00_banner


Changelog (1.1.5 / 1.1.6)

Comp Mod

  • Disabled a game function that renders projected light coronas (because they are broken) and unhid the corona texture.
    Doing this fixed things like:

10

09


  • Console now logs to a file (rtx_comp/logfile.txt)
  • Tagged more decal textures (thanks Thundery_Dan)
  • Fixed an issue that could make emissives flicker (not completely fixed everywhere)
  • Fixed disable raindrop option on translucent vehicle windows
  • Increased default sun volumetric influence to 2
  • Added an option to clamp the minimum bloom intensity at night
  • Ignored an original rain particle texture which was causing visual issues
  • ImGui layout improvements



  • Added an option (F4) to enable/disable expensive rain collision testing (disabled by default)
Screenshot 2026-01-03 080920

  • Added an option (F4) to enable wetness occlusion checks and mask smoothing
Screenshot 2026-01-03 081022

Note

Disable Wetness Occlusion Smoothing if you don't use DLSS-RR!
Performance impact of occlusion testing is expensive, disable it if you notice major slowdowns and report back!




  • Added a feature that creates a secondary set of lights (sphere lights) on sirens to slightly illuminate the sirens themselves.
    Still not looking perfect. Remix translucent objects are hard to work with.

  • Modified police, police2 and ambulance game meshes to separate siren texture from other meshes (requires FusionFix)
    This allows proper remix overwrites and they now look like this:

image image

11_pol


Remix Mod

  • Shortened asset paths to fix issues with installer
  • Fixed an issue where taxi's appeared too metallic
  • Rain particle tweaks
  • Multiple mesh and glass fixes (not a complete list, only a few examples - thanks CriticalHit_NL for reporting a bunch)

aaa

13


  • Bergen wood texture (because why not)
Screenshot 2025-12-29 200155

Runtime

  • Fixed particle system TLAS collision code
  • Added per-drawcall support for an emissive scalar on translucent materials

00_banner2


Installation:

Install using the installer (same when updating from prior versions):

  1. Download GTAIV-Remix-CompatibilityMod-1.2.1.zip

  2. Download GTAIV-Remix-CompMod-Installer.exe

  3. Place both files in the same folder (no need to copy them to your game folder) and run GTAIV-Remix-CompMod-Installer.exe

  4. Use the File Dialog to select your GTAIV.exe which is located in your GTAIV install folder

  5. If this is your first time installing, the installer will ask if you want to install a custom Fork of FusionFix
    If you already have FusionFix installed, it's definitely recommended to install this because the original, unmodified version has a few incompatibilities with RTX Remix. If you do not have FusionFix installed, you are free to choose. It's not a requirement...

Read more

Release 1.1.9

31 Jan 19:28

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Changelog 1.1.9

Comp Mod

  • Fixed phone smearing issue on all phones / themes (Background is still black tho)
  • Slight phone aspect ratio fixes
  • Backported a few things from AutoPBR branch
  • Installer now uses the highest version zip it finds instead of the first one (when multiple comp-mod zips are in the downloads folder)
  • Installer can now download and install the AutoPBR pack (optional)

Runtime

  • Update runtime to latest commit
  • Fixed puddle roughness issues
  • Puddles now clear normal info of materials below (noticed after AutoPBR)

Older Changelogs:

Changelog 1.1.8

  • Enabled remix' horizon based fog and added logic to increase the horizon height based on camera fog
    (to prevent a hard edge after a certain height)

fog01
fog02


  • Refactored light override and marker logic. Multiple .toml files with light overrides / markers can now be loaded from rtx_comp/light_tweaks / rtx_comp/markers. A-Z priority with earlier letters having higher priority.

  • Added the ability to add additional lights to an existing game light

Screenshot 2026-01-17 221058 Screenshot 2026-01-17 221112


  • Fixed the phone screen smearing issue and reduced fov impact on phone size

phone_02
phone_01


  • Enabled rtx.isShaderExecutionReorderingSupported in the rtx.conf to enable SER on supported systems
  • Blocked keyboard input to the game when imgui wants text input
  • The installer now creates a backup of the existing rtx.conf and comp_settings.toml

Changelog 1.1.7

Comp Mod

  • Fixed unbreakable sirens
  • Bar shaped sirens now have actual lights
  • Firetruck sirens now have actual lights (+ made firetruck sirens translucent)
  • Fixed a crashing issues on certain missions (see #49)
  • Added a tweaked timecyclemodifiers.dat to enable moon light everywhere
  • Added a setting to tweak intensity of the moonlight
  • Updated FF fork to re-enable fps counter + timecycle info
  • Updated Remix Runtime and fixed issues with per draw-call modifiers (instance issues - emissive flicker)
  • Fixed installer issues and added remix-mod downloading logic
  • Added code to prevent radar background flicker that could occur sometimes

Remix Mod

  • Added a PBR material for one type of sidewalk and corner variants (broker)
  • Added some road PBR materials (mostly generic asphalt) w/o albedo and a few damaged variants
  • Removed remix-mod files from the Compatibility Repo and put them here

00_banner


Changelog (1.1.5 / 1.1.6)

Comp Mod

  • Disabled a game function that renders projected light coronas (because they are broken) and unhid the corona texture.
    Doing this fixed things like:

10

09


  • Console now logs to a file (rtx_comp/logfile.txt)
  • Tagged more decal textures (thanks Thundery_Dan)
  • Fixed an issue that could make emissives flicker (not completely fixed everywhere)
  • Fixed disable raindrop option on translucent vehicle windows
  • Increased default sun volumetric influence to 2
  • Added an option to clamp the minimum bloom intensity at night
  • Ignored an original rain particle texture which was causing visual issues
  • ImGui layout improvements



  • Added an option (F4) to enable/disable expensive rain collision testing (disabled by default)
Screenshot 2026-01-03 080920

  • Added an option (F4) to enable wetness occlusion checks and mask smoothing
Screenshot 2026-01-03 081022

Note

Disable Wetness Occlusion Smoothing if you don't use DLSS-RR!
Performance impact of occlusion testing is expensive, disable it if you notice major slowdowns and report back!




  • Added a feature that creates a secondary set of lights (sphere lights) on sirens to slightly illuminate the sirens themselves.
    Still not looking perfect. Remix translucent objects are hard to work with.

  • Modified police, police2 and ambulance game meshes to separate siren texture from other meshes (requires FusionFix)
    This allows proper remix overwrites and they now look like this:

image image

11_pol


Remix Mod

  • Shortened asset paths to fix issues with installer
  • Fixed an issue where taxi's appeared too metallic
  • Rain particle tweaks
  • Multiple mesh and glass fixes (not a complete list, only a few examples - thanks CriticalHit_NL for reporting a bunch)

aaa

13


  • Bergen wood texture (because why not)
Screenshot 2025-12-29 200155

Runtime

  • Fixed particle system TLAS collision code
  • Added per-drawcall support for an emissive scalar on translucent materials

00_banner2


Installation:

Install using the installer:

  1. Download GTAIV-Remix-CompatibilityMod-1.1.9.zip

  2. Download GTAIV-Remix-CompMod-Installer.exe

  3. Place both files in the same folder (no need to copy them to your game folder) and run GTAIV-Remix-CompMod-Installer.exe

  4. Use the File Dialog to select your GTAIV.exe which is located in your GTAIV install folder

  5. If this is your first time installing, the installer will ask if you want to install a custom Fork of FusionFix
    If you already have FusionFix installed, it's definitely recommended to install this because the original, unmodified version has a few incompatibilities with RTX Remix. If you do not have FusionFix installed, you are free to choose. It's not a requirement.

  6. The installer will ask you if you want to download the required base-remix-mod

  7. Make sure that you remove all custom launch arguments for GTAIV in Steam (if you have any set)


OR Install manually (no need to do this if you've used the installer):

  1. Download GTAIV-Remix-CompatibilityMod-1.1.9.zip

  2. Open the zip and extract all files contained inside the GTAIV-Remix-CompatibilityMod folder into your GTAIV directory (next to the GTAIV.exe). Overwrite all when prompted.

  3. If you want to use FusionFix or have it installed already, it's definitely recommended to install my custom fork of FusionFix because the original, unmodified version has a few incompatibilities with RTX Remix.
    You can find the files inside _installer_options/FusionFix_RTXRemixFork. Extract the plugins & update into your GTAIV directory and override any existing files.

  4. Download gta4-rtx-base-mod

  5. Extract the mods folder (inside of gta4-rtx-base-mod-master) into your rtx-remix folder so that the folder structure looks like this:

.  
├─ ...
├─ 📁 steamapps
│  └─📁 common
│     └─📁 Grand Theft Auto IV
│       └─📁 GTAIV
│         ├── 📜 GTAIV.exe.exe
│         ├── 📜 d3d9.dll
│         ├── 📜 ...
│         │
│         ├── 📁 rtx_comp
│         └── 📁 rtx-remix
│             └─📁 mods
│               └─📁 gta4rtx
│                 ├── 📜 comp_cars.usda
│                 ├── 📜 comp_effects.usda
│                 ├── 📜 mod.usda
│                 └── ...
└── ...  

Usage and general Info

  • Run the game like normal or use the provided batch files (mentioned in the Wiki further down) if you notice heavy stuttering.

  • It's recommended to adjust distance and quality sliders in the GTA4 graphic options (higher values => earlier CPU bottleneck).
    Try 30 for view dist...

Read more

Release 1.1.8

19 Jan 14:35

Choose a tag to compare

Changelog 1.1.8

  • Enabled remix' horizon based fog and added logic to increase the horizon height based on camera fog
    (to prevent a hard edge after a certain height)

fog01
fog02


  • Refactored light override and marker logic. Multiple .toml files with light overrides / markers can now be loaded from rtx_comp/light_tweaks / rtx_comp/markers. A-Z priority with earlier letters having higher priority.

  • Added the ability to add additional lights to an existing game light

Screenshot 2026-01-17 221058 Screenshot 2026-01-17 221112


  • Fixed the phone screen smearing issue and reduced fov impact on phone size

phone_02
phone_01


  • Enabled rtx.isShaderExecutionReorderingSupported in the rtx.conf to enable SER on supported systems
  • Blocked keyboard input to the game when imgui wants text input
  • The installer now creates a backup of the existing rtx.conf and comp_settings.toml

Older Changelogs:

Changelog 1.1.7

Comp Mod

  • Fixed unbreakable sirens
  • Bar shaped sirens now have actual lights
  • Firetruck sirens now have actual lights (+ made firetruck sirens translucent)
  • Fixed a crashing issues on certain missions (see #49)
  • Added a tweaked timecyclemodifiers.dat to enable moon light everywhere
  • Added a setting to tweak intensity of the moonlight
  • Updated FF fork to re-enable fps counter + timecycle info
  • Updated Remix Runtime and fixed issues with per draw-call modifiers (instance issues - emissive flicker)
  • Fixed installer issues and added remix-mod downloading logic
  • Added code to prevent radar background flicker that could occur sometimes

Remix Mod

  • Added a PBR material for one type of sidewalk and corner variants (broker)
  • Added some road PBR materials (mostly generic asphalt) w/o albedo and a few damaged variants
  • Removed remix-mod files from the Compatibility Repo and put them here

00_banner


Changelog (1.1.5 / 1.1.6)

Comp Mod

  • Disabled a game function that renders projected light coronas (because they are broken) and unhid the corona texture.
    Doing this fixed things like:

10

09


  • Console now logs to a file (rtx_comp/logfile.txt)
  • Tagged more decal textures (thanks Thundery_Dan)
  • Fixed an issue that could make emissives flicker (not completely fixed everywhere)
  • Fixed disable raindrop option on translucent vehicle windows
  • Increased default sun volumetric influence to 2
  • Added an option to clamp the minimum bloom intensity at night
  • Ignored an original rain particle texture which was causing visual issues
  • ImGui layout improvements



  • Added an option (F4) to enable/disable expensive rain collision testing (disabled by default)
Screenshot 2026-01-03 080920

  • Added an option (F4) to enable wetness occlusion checks and mask smoothing
Screenshot 2026-01-03 081022

Note

Disable Wetness Occlusion Smoothing if you don't use DLSS-RR!
Performance impact of occlusion testing is expensive, disable it if you notice major slowdowns and report back!




  • Added a feature that creates a secondary set of lights (sphere lights) on sirens to slightly illuminate the sirens themselves.
    Still not looking perfect. Remix translucent objects are hard to work with.

  • Modified police, police2 and ambulance game meshes to separate siren texture from other meshes (requires FusionFix)
    This allows proper remix overwrites and they now look like this:

image image

11_pol


Remix Mod

  • Shortened asset paths to fix issues with installer
  • Fixed an issue where taxi's appeared too metallic
  • Rain particle tweaks
  • Multiple mesh and glass fixes (not a complete list, only a few examples - thanks CriticalHit_NL for reporting a bunch)

aaa

13


  • Bergen wood texture (because why not)
Screenshot 2025-12-29 200155

Runtime

  • Fixed particle system TLAS collision code
  • Added per-drawcall support for an emissive scalar on translucent materials

00_banner2


Installation:

Install using the installer:

  1. Download GTAIV-Remix-CompatibilityMod-1.1.8.zip

  2. Download GTAIV-Remix-CompMod-Installer.exe

  3. Place both files in the same folder (no need to copy them to your game folder) and run GTAIV-Remix-CompMod-Installer.exe

  4. Use the File Dialog to select your GTAIV.exe which is located in your GTAIV install folder

  5. If this is your first time installing, the installer will ask if you want to install a custom Fork of FusionFix
    If you already have FusionFix installed, it's definitely recommended to install this because the original, unmodified version has a few incompatibilities with RTX Remix. If you do not have FusionFix installed, you are free to choose. It's not a requirement.

  6. The installer will ask you if you want to download the required base-remix-mod

  7. Make sure that you remove all custom launch arguments for GTAIV in Steam (if you have any set)


OR Install manually (no need to do this if you've used the installer):

  1. Download GTAIV-Remix-CompatibilityMod-1.1.8.zip

  2. Open the zip and extract all files contained inside the GTAIV-Remix-CompatibilityMod folder into your GTAIV directory (next to the GTAIV.exe). Overwrite all when prompted.

  3. If you want to use FusionFix or have it installed already, it's definitely recommended to install my custom fork of FusionFix because the original, unmodified version has a few incompatibilities with RTX Remix.
    You can find the files inside _installer_options/FusionFix_RTXRemixFork. Extract the plugins & update into your GTAIV directory and override any existing files.

  4. Download gta4-rtx-base-mod

  5. Extract the mods folder (inside of gta4-rtx-base-mod-master) into your rtx-remix folder so that the folder structure looks like this:

.  
├─ ...
├─ 📁 steamapps
│  └─📁 common
│     └─📁 Grand Theft Auto IV
│       └─📁 GTAIV
│         ├── 📜 GTAIV.exe.exe
│         ├── 📜 d3d9.dll
│         ├── 📜 ...
│         │
│         ├── 📁 rtx_comp
│         └── 📁 rtx-remix
│             └─📁 mods
│               └─📁 gta4rtx
│                 ├── 📜 comp_cars.usda
│                 ├── 📜 comp_effects.usda
│                 ├── 📜 mod.usda
│                 └── ...
└── ...  

Usage and general Info

  • Run the game like normal or use the provided batch files (mentioned in the Wiki further down) if you notice heavy stuttering.

  • It's recommended to adjust distance and quality sliders in the GTA4 graphic options (higher values => earlier CPU bottleneck).
    Try 30 for view distance and 40 for quality and adjust from there. The first launch might cause problems, simply re-try a second time.

    Press Alt + X to open the Remix menu
    Press F4 to open the Compatibility Mod menu


Important

Troubleshooting / Guides -- Look into the Wiki if you are having issues:
https://github.com/xoxor4d/gta4-rtx/wiki/Troubleshooting---Guides


Note

The release includes a custom remix runtime build that contains a few necessary changes. Info about the changes can be found here:
https://github.com/xoxor4d/gta4-r...

Read more

Release 1.1.7

12 Jan 19:00

Choose a tag to compare

Hotfix 12.01.26:
  • Updated FF fork again to fix an issue that happend when pressing F3
  • Updated the Remix Bridge because there was a version mismatch between the Bridge and the Runtime
  • Removed remix-mod files from the Compatibility Repo and put them here
  • Fixed installer issues and added remix-mod downloading logic ^
  • Added code to prevent radar background flicker that could occur sometimes

Changelog 1.1.7

Comp Mod

  • Fixed unbreakable sirens
  • Bar shaped sirens now have actual lights
  • Firetruck sirens now have actual lights (+ made firetruck sirens translucent)
  • Fixed a crashing issues on certain missions (see #49)
  • Added a tweaked timecyclemodifiers.dat to enable moon light everywhere
  • Added a setting to tweak intensity of the moonlight
  • Updated FF fork to re-enable fps counter + timecycle info
  • Updated Remix Runtime and fixed issues with per draw-call modifiers (instance issues - emissive flicker)

Remix Mod

  • Added a PBR material for one type of sidewalk and corner variants (broker)
  • Added some road PBR materials (mostly generic asphalt) w/o albedo and a few damaged variants

00_banner

Changelog (1.1.5 / 1.1.6)

Comp Mod

  • Disabled a game function that renders projected light coronas (because they are broken) and unhid the corona texture.
    Doing this fixed things like:

10

09


  • Console now logs to a file (rtx_comp/logfile.txt)
  • Tagged more decal textures (thanks Thundery_Dan)
  • Fixed an issue that could make emissives flicker (not completely fixed everywhere)
  • Fixed disable raindrop option on translucent vehicle windows
  • Increased default sun volumetric influence to 2
  • Added an option to clamp the minimum bloom intensity at night
  • Ignored an original rain particle texture which was causing visual issues
  • ImGui layout improvements



  • Added an option (F4) to enable/disable expensive rain collision testing (disabled by default)
Screenshot 2026-01-03 080920

  • Added an option (F4) to enable wetness occlusion checks and mask smoothing
Screenshot 2026-01-03 081022

Note

Disable Wetness Occlusion Smoothing if you don't use DLSS-RR!
Performance impact of occlusion testing is expensive, disable it if you notice major slowdowns and report back!




  • Added a feature that creates a secondary set of lights (sphere lights) on sirens to slightly illuminate the sirens themselves.
    Still not looking perfect. Remix translucent objects are hard to work with.

  • Modified police, police2 and ambulance game meshes to separate siren texture from other meshes (requires FusionFix)
    This allows proper remix overwrites and they now look like this:

image image

11_pol


Remix Mod

  • Shortened asset paths to fix issues with installer
  • Fixed an issue where taxi's appeared too metallic
  • Rain particle tweaks
  • Multiple mesh and glass fixes (not a complete list, only a few examples - thanks CriticalHit_NL for reporting a bunch)

aaa

13


  • Bergen wood texture (because why not)
Screenshot 2025-12-29 200155

Runtime

  • Fixed particle system TLAS collision code
  • Added per-drawcall support for an emissive scalar on translucent materials

00_banner2

Installation:

Install using the installer:

  1. Download GTAIV-Remix-CompatibilityMod-1.1.7.zip

  2. Download GTAIV-Remix-CompMod-Installer.exe

  3. Place both files in the same folder (no need to copy them to your game folder) and run GTAIV-Remix-CompMod-Installer.exe

  4. Use the File Dialog to select your GTAIV.exe which is located in your GTAIV install folder

  5. If this is your first time installing, the installer will ask if you want to install a custom Fork of FusionFix
    If you already have FusionFix installed, it's definitely recommended to install this because the original, unmodified version has a few incompatibilities with RTX Remix. If you do not have FusionFix installed, you are free to choose. It's not a requirement.

  6. The installer will ask you if you want to download the required base-remix-mod

  7. Make sure that you remove all custom launch arguments for GTAIV in Steam (if you have any set)


OR Install manually (no need to do this if you've used the installer):

  1. Download GTAIV-Remix-CompatibilityMod-1.1.7.zip

  2. Open the zip and extract all files contained inside the GTAIV-Remix-CompatibilityMod folder into your GTAIV directory (next to the GTAIV.exe). Overwrite all when prompted.

  3. If you want to use FusionFix or have it installed already, it's definitely recommended to install my custom fork of FusionFix because the original, unmodified version has a few incompatibilities with RTX Remix.
    You can find the files inside _installer_options/FusionFix_RTXRemixFork. Extract the plugins & update into your GTAIV directory and override any existing files.

  4. Download gta4-rtx-base-mod

  5. Extract the mods folder (inside of gta4-rtx-base-mod-master) into your rtx-remix folder so that the folder structure looks like this:

.  
├─ ...
├─ 📁 steamapps
│  └─📁 common
│     └─📁 Grand Theft Auto IV
│       └─📁 GTAIV
│         ├── 📜 GTAIV.exe.exe
│         ├── 📜 d3d9.dll
│         ├── 📜 ...
│         │
│         ├── 📁 rtx_comp
│         └── 📁 rtx-remix
│             └─📁 mods
│               └─📁 gta4rtx
│                 ├── 📜 comp_cars.usda
│                 ├── 📜 comp_effects.usda
│                 ├── 📜 mod.usda
│                 └── ...
└── ...  

Usage and general Info

  • Run the game like normal or use the provided batch files (mentioned in the Wiki further down) if you notice heavy stuttering.

  • It's recommended to adjust distance and quality sliders in the GTA4 graphic options (higher values => earlier CPU bottleneck).
    Try 30 for view distance and 40 for quality and adjust from there. The first launch might cause problems, simply re-try a second time.

    Press Alt + X to open the Remix menu
    Press F4 to open the Compatibility Mod menu


Important

Troubleshooting / Guides -- Look into the Wiki if you are having issues:
https://github.com/xoxor4d/gta4-rtx/wiki/Troubleshooting---Guides


Note

The release includes a custom remix runtime build that contains a few necessary changes. Info about the changes can be found here:
https://github.com/xoxor4d/gta4-rtx/wiki#remix-runtime-changes-and-differences-in-usage

Release 1.1.7

12 Jan 08:31

Choose a tag to compare

Release 1.1.6

02 Jan 21:13

Choose a tag to compare

00_banner

Changelog (also includes 1.1.5 changes)

Comp Mod

  • Disabled a game function that renders projected light coronas (because they are broken) and unhid the corona texture.
    Doing this fixed things like:

10

09


  • Console now logs to a file (rtx_comp/logfile.txt)
  • Tagged more decal textures (thanks Thundery_Dan)
  • Fixed an issue that could make emissives flicker (not completely fixed everywhere)
  • Fixed disable raindrop option on translucent vehicle windows
  • Increased default sun volumetric influence to 2
  • Added an option to clamp the minimum bloom intensity at night
  • Ignored an original rain particle texture which was causing visual issues
  • ImGui layout improvements



  • Added an option (F4) to enable/disable expensive rain collision testing (disabled by default)
Screenshot 2026-01-03 080920

  • Added an option (F4) to enable wetness occlusion checks and mask smoothing
Screenshot 2026-01-03 081022

Note

Disable Wetness Occlusion Smoothing if you don't use DLSS-RR!
Performance impact of occlusion testing is expensive, disable it if you notice major slowdowns and report back!




  • Added a feature that creates a secondary set of lights (sphere lights) on sirens to slightly illuminate the sirens themselves.
    Still not looking perfect. Remix translucent objects are hard to work with.

  • Modified police, police2 and ambulance game meshes to separate siren texture from other meshes (requires FusionFix)
    This allows proper remix overwrites and they now look like this:

image image

11_pol


Remix Mod

  • Shortened asset paths to fix issues with installer
  • Fixed an issue where taxi's appeared too metallic
  • Rain particle tweaks
  • Multiple mesh and glass fixes (not a complete list, only a few examples - thanks CriticalHit_NL for reporting a bunch)

aaa

13


  • Bergen wood texture (because why not)
Screenshot 2025-12-29 200155

Runtime

  • Fixed particle system TLAS collision code
  • Added per-drawcall support for an emissive scalar on translucent materials

00_banner2

Installation:

Install using the installer:

  1. Download GTAIV-Remix-CompatibilityMod-1.1.6.zip

  2. Download GTAIV-Remix-CompMod-Installer.exe

  3. Place both files in the same folder (no need to copy them to your game folder) and run GTAIV-Remix-CompMod-Installer.exe

  4. Use the File Dialog to select your GTAIV.exe which is located in your GTAIV install folder

  5. If this is your first time installing, the installer will ask if you want to install a custom Fork of FusionFix
    If you already have FusionFix installed, it's definitely recommended to install this because the original, unmodified version has a few incompatibilities with RTX Remix. If you do not have FusionFix installed, you are free to choose. It's not a requirement.

  6. Make sure that you remove all custom launch arguments for GTAIV in Steam (if you have any set)


OR Install manually (no need to do this if you've used the installer):

  1. Download GTAIV-Remix-CompatibilityMod-1.1.6.zip

  2. Open the zip and extract all files contained inside the GTAIV-Remix-CompatibilityMod folder into your GTAIV directory (next to the GTAIV.exe). Overwrite all when prompted.

  3. If you want to use FusionFix or have it installed already, it's definitely recommended to install my custom fork of FusionFix because the original, unmodified version has a few incompatibilities with RTX Remix.
    You can find the files inside _installer_options/FusionFix_RTXRemixFork. Extract the plugins & update into your GTAIV directory and override any existing files.


Usage and general Info

  • Run the game like normal or use the provided batch files (mentioned in the Wiki further down) if you notice heavy stuttering.

  • It's recommended to adjust distance and quality sliders in the GTA4 graphic options (higher values => earlier CPU bottleneck).
    Try 30 for view distance and 40 for quality and adjust from there. The first launch might cause problems, simply re-try a second time.

    Press Alt + X to open the Remix menu
    Press F4 to open the Compatibility Mod menu


Important

Troubleshooting / Guides -- Look into the Wiki if you are having issues:
https://github.com/xoxor4d/gta4-rtx/wiki/Troubleshooting---Guides


Note

The release includes a custom remix runtime build that contains a few necessary changes. Info about the changes can be found here:
https://github.com/xoxor4d/gta4-rtx/wiki#remix-runtime-changes-and-differences-in-usage

Release 1.1.5

30 Dec 17:37

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Changelog

  • conf: un-ignore corona texture
  • rain: fix restarting rain issue and decrease collisionThickness
  • bump version to 1.1.5 - remix mod: fix taxi metallic + rain particle tweaks
  • runtime: update runtime zip
  • conf: tag more decal textures (thanks Thundery_Dan)
  • imgui: layout improvements - particle TLAS collision toggle
  • fix disable raindrop option on translucent vehicle windows
  • dev: imgui rain marker offset
  • remix mod: mesh fixes, glass fixes, bergen wood tex
  • rendering: disable projected light coronas and unhide texture (rtx.conf)
  • remix mod: shorten asset paths

Installation:

Install using the installer:

  1. Download GTAIV-Remix-CompatibilityMod-1.1.5.zip

  2. Download GTAIV-Remix-CompMod-Installer.exe

  3. Place both files in the same folder (no need to copy them to your game folder) and run GTAIV-Remix-CompMod-Installer.exe

  4. Use the File Dialog to select your GTAIV.exe which is located in your GTAIV install folder

  5. If this is your first time installing, the installer will ask if you want to install a custom Fork of FusionFix
    If you already have FusionFix installed, it's definitely recommended to install this because the original, unmodified version has a few incompatibilities with RTX Remix. If you do not have FusionFix installed, you are free to choose. It's not a requirement.

  6. Make sure that you remove all custom launch arguments for GTAIV in Steam (if you have any set)


OR Install manually (no need to do this if you've used the installer):

  1. Download GTAIV-Remix-CompatibilityMod-1.1.5.zip

  2. Open the zip and extract all files contained inside the GTAIV-Remix-CompatibilityMod folder into your GTAIV directory (next to the GTAIV.exe). Overwrite all when prompted.

  3. If you want to use FusionFix or have it installed already, it's definitely recommended to install my custom fork of FusionFix because the original, unmodified version has a few incompatibilities with RTX Remix.
    You can find the files inside _installer_options/FusionFix_RTXRemixFork. Extract the plugins & update into your GTAIV directory and override any existing files.


Usage and general Info

  • Run the game like normal or use the provided batch files (mentioned in the Wiki further down) if you notice heavy stuttering.

  • It's recommended to adjust distance and quality sliders in the GTA4 graphic options (higher values => earlier CPU bottleneck).
    Try 30 for view distance and 40 for quality and adjust from there. The first launch might cause problems, simply re-try a second time.

    Press Alt + X to open the Remix menu
    Press F4 to open the Compatibility Mod menu


Important

Troubleshooting / Guides -- Look into the Wiki if you are having issues:
https://github.com/xoxor4d/gta4-rtx/wiki/Troubleshooting---Guides


Note

The release includes a custom remix runtime build that contains a few necessary changes. Info about the changes can be found here:
https://github.com/xoxor4d/gta4-rtx/wiki#remix-runtime-changes-and-differences-in-usage

Release 1.1.4

28 Dec 20:10

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Screenshot 2025-12-28 212610 Screenshot 2025-12-28 213245

Changelog

Comp Mod

  • Fixed cherise mission not ending as cherise never despawned because of object anti-culling code
  • Added Wetness Occlusion toggle and smoothing settings to CompSettings
  • First Safehouse: added a bunch of hand-made PBR materials and mesh replacements (trash bags, rugs, mesh fixes)
  • Vehicle chrome looks like chrome now
  • Some terrain transparency fixes (thanks steamzor for reporting)
  • Glass fixes (made translucent) (thanks criticalhit_nl for reporting)

Note

Disable Wetness Occlusion Smoothing if you don't use DLSS-RR
Performance impact of occlusion testing is expensive, disable it if you notice major slowdowns and report back!

Runtime

  • Walls no longer are no longer affected by the wetness variation code
  • Added expensive collision testing for remix particles (using TLAS) which can be enabled via USD
    bool primvars:particle:enableCollisionDetectionTLAS = 1
  • Added Occlusion checks to wetness code which prevents covered surfaces from getting wet / rain impacts
  • Fixed an issue where ALT+X wouldn't open the remix menu until the game window was re-focused

Screenshot 2025-12-28 212500 Screenshot 2025-12-28 213652

Installation:

Install using the installer:

  1. Download GTAIV-Remix-CompatibilityMod-1.1.4.zip

  2. Download GTAIV-Remix-CompMod-Installer.exe

  3. Place both files in the same folder (no need to copy them to your game folder) and run GTAIV-Remix-CompMod-Installer.exe

  4. Use the File Dialog to select your GTAIV.exe which is located in your GTAIV install folder

  5. If this is your first time installing, the installer will ask if you want to install a custom Fork of FusionFix
    If you already have FusionFix installed, it's definitely recommended to install this because the original, unmodified version has a few incompatibilities with RTX Remix. If you do not have FusionFix installed, you are free to choose. It's not a requirement.

  6. Make sure that you remove all custom launch arguments for GTAIV in Steam (if you have any set)


OR Install manually (no need to do this if you've used the installer):

  1. Download GTAIV-Remix-CompatibilityMod-1.1.4.zip

  2. Open the zip and extract all files contained inside the GTAIV-Remix-CompatibilityMod folder into your GTAIV directory (next to the GTAIV.exe). Overwrite all when prompted.

  3. If you want to use FusionFix or have it installed already, it's definitely recommended to install my custom fork of FusionFix because the original, unmodified version has a few incompatibilities with RTX Remix.
    You can find the files inside _installer_options/FusionFix_RTXRemixFork. Extract the plugins & update into your GTAIV directory and override any existing files.


Usage and general Info

  • Run the game like normal or use the provided batch files (mentioned in the Wiki further down) if you notice heavy stuttering.

  • It's recommended to adjust distance and quality sliders in the GTA4 graphic options (higher values => earlier CPU bottleneck).
    Try 30 for view distance and 40 for quality and adjust from there. The first launch might cause problems, simply re-try a second time.

    Press Alt + X to open the Remix menu
    Press F4 to open the Compatibility Mod menu


Important

Troubleshooting / Guides -- Look into the Wiki if you are having issues:
https://github.com/xoxor4d/gta4-rtx/wiki/Troubleshooting---Guides


Note

The release includes a custom remix runtime build that contains a few necessary changes. Info about the changes can be found here:
https://github.com/xoxor4d/gta4-rtx/wiki#remix-runtime-changes-and-differences-in-usage

Screenshot 2025-12-28 212655 Screenshot 2025-12-28 212515

Release 1.1.3

20 Dec 18:00

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image

Edit: Manually updated the release because I forgot to include the latest remix replacements

Changelog

Comp Mod / Repo

  • Fixed a crash when using freecam mode
  • Fixed player slowly raising/falling when using freecam mode
  • Fixed broken alpha on a baseball field (via remix mesh replacement)
  • Romans taxi depot now has proper looking windows (via remix mesh replacement)
  • Added a setting to toggle the new wetness puddle layer
  • Make (some) fire FX emissive
  • Fixed black flicker on windows (first safehouse)
  • Added some light overrides for the diner outside the first safehouse
  • Minor installer fixes
  • Code refactoring and cleanup
  • Renamed game_settings to comp_settings
  • Automatic creation of releases using a GitHub workflow

Runtime

  • Added a secondary puddle layer to the global wetness system
  • Slightly decreased roughness on wetness variation
Screenshot 2025-12-20 191929 image

Installation:

Install using the installer:

  1. Download GTAIV-Remix-CompatibilityMod-1.1.3.zip

  2. Download GTAIV-Remix-CompMod-Installer.exe

  3. Place both files in the same folder (no need to copy them to your game folder) and run GTAIV-Remix-CompMod-Installer.exe

  4. Use the File Dialog to select your GTAIV.exe which is located in your GTAIV install folder

  5. If this is your first time installing, the installer will ask if you want to install a custom Fork of FusionFix
    If you already have FusionFix installed, it's definitely recommended to install this because the original, unmodified version has a few incompatibilities with RTX Remix. If you do not have FusionFix installed, you are free to choose. It's not a requirement.

  6. Make sure that you remove all custom launch arguments for GTAIV in Steam (if you have any set)


OR Install manually (no need to do this if you've used the installer):

  1. Download GTAIV-Remix-CompatibilityMod-1.1.3.zip

  2. Open the zip and extract all files contained inside the GTAIV-Remix-CompatibilityMod folder into your GTAIV directory (next to the GTAIV.exe). Overwrite all when prompted.

  3. If you want to use FusionFix or have it installed already, it's definitely recommended to install my custom fork of FusionFix because the original, unmodified version has a few incompatibilities with RTX Remix.
    You can find the files inside _installer_options/FusionFix_RTXRemixFork. Extract the plugins & update into your GTAIV directory and override any existing files.


Usage and general Info

  • Run the game like normal or use the provided batch files (mentioned in the Wiki further down) if you notice heavy stuttering.

  • It's recommended to adjust distance and quality sliders in the GTA4 graphic options (higher values => earlier CPU bottleneck).
    Try 30 for view distance and 50 for quality and adjust from there. The first launch might cause problems, simply re-try a second time.

    Press Alt + X to open the Remix menu
    Press F4 to open the Compatibility Mod menu


Important

Troubleshooting / Guides -- Look into the Wiki if you are having issues:
https://github.com/xoxor4d/gta4-rtx/wiki/Troubleshooting---Guides


Note

The release includes a custom remix runtime build that contains a few necessary changes. Info about the changes can be found here:
https://github.com/xoxor4d/gta4-rtx/wiki#remix-runtime-changes-and-differences-in-usage

Release 1.1.2

14 Dec 21:03

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Changelog

Comp Mod

  • fixed some vehicle headlights without alpha
  • fixed issues with a few vehicle backlights
  • fixed a few decal types not getting wet when it rains
  • refactoring and cleanup

Runtime / Remix Mod

  • support for water normalmaps and normal strength fade-out over distance
  • basic animated water normalmap so distant water does not look like a mirror
Screenshot 2025-12-14 235555

Installation:

Install using the installer:

  1. Download GTAIV-Remix-CompatibilityMod-1.1.2.zip

  2. Download GTAIV-Remix-CompMod-Installer.exe

  3. Place both files in the same folder (no need to copy them to your game folder) and run GTAIV-Remix-CompMod-Installer.exe

  4. Use the File Dialog to select your GTAIV.exe which is located in your GTAIV install folder

  5. If this is your first time installing, the installer will ask if you want to install a custom Fork of FusionFix
    If you already have FusionFix installed, it's definitely recommended to install this because the original, unmodified version has a few incompatibilities with RTX Remix. If you do not have FusionFix installed, you are free to choose. It's not a requirement.

  6. Make sure that you remove all custom launch arguments for GTAIV in Steam (if you have any set)


OR Install manually (no need to do this if you've used the installer):

  1. Download GTAIV-Remix-CompatibilityMod-1.1.3.zip

  2. Open the zip and extract all files contained inside the GTAIV-Remix-CompatibilityMod folder into your GTAIV directory (next to the GTAIV.exe). Overwrite all when prompted.

  3. If you want to use FusionFix or have it installed already, it's definitely recommended to install my custom fork of FusionFix because the original, unmodified version has a few incompatibilities with RTX Remix.
    You can find the files inside _installer_options/FusionFix_RTXRemixFork. Extract the plugins & update into your GTAIV directory and override any existing files.


Usage and general Info

  • Run the game like normal or use the provided batch files (mentioned further down) if you notice heavy stuttering.

  • It's recommended to adjust distance and quality sliders in the GTA4 graphic options (higher values => earlier CPU bottleneck).
    Try 30 for view distance and 50 for quality and adjust from there. The first launch might cause problems, simply re-try a second time.

    Press Alt + X to open the Remix menu
    Press F4 to open the Compatibility Mod menu


Troubleshooting / Tips

  • Running Windowed
    Open the commandline.txt in the main game folder and add -windowed

    If using FF: Adjust the Borderless setting in the game options to your liking
    (plugins/GTAIV.EFLC.FusionFix.cfg -> BorderlessWindowed = 0/1)


  • Forcing a Resolution (if something goes wrong with resolution selection)
    Either go to your GTAIV folder and open rtx_comp/game_settings.toml (after running the game once)

    • Set manual_game_resolution_enabled to true
    • Adjust the resolution using manual_game_resolution = [ .. ]

    OR Open the commandline.txt in the main game folder and add -width 1920 and -height 1080 (adjust for your resolution)


  • Crashing on startup or similar
    Please try the following before creating an issue on GitHub:
    1. Make sure that you try the mod on a fresh, clean install - do not install FusionFix before installing the mod
    2. Try to install the game in a path that is not inside Program Files
    3. Make sure that you have no custom launch arguments for GTAIV defined in steam

Issues / Performance / Tweaks

  • Stuttering
    If you notice heavy stuttering, launch the game with the included _LaunchWithProcessorAffinity_2Cores_GTA4.bat
    Doing this will assign 2 cores to GTA4 and the rest to Remix.
    If you want a 50/50 split, use _LaunchWithProcessorAffinity_Half_GTA4__Half_Remix.bat

  • Lower Pathtracing settings
    Open the Remix menu by pressing Alt + X and use Graphics Settings Menu at the top.
    Switch to the Graphics tab and adjust the Graphics Preset dropdown to adjust various quality settings

  • Alpha Settings for Trees
    Open the CompMod menu by pressing F4 and open the Rendering Related Settings container under the Game Settings tab.
    Increasing the Tree Alpha Cutout Value value will improve performance but will make leafs look more blocky.


Notes