remix runtime update

Edit 12th March 2025:

l4d2-rtx_1.1-829a819.zip

• Added the required source addon left4dead2\addons\l4d2rtx.vpk
  (fixes an artifact on bullet holes when using the flashlight + adds map marker props)

Changelog:

• Update remix runtime to the latest version
  • it includes dlss4 (transformer), proper volumetrics etc.
  • it is a pre-release version so expect some issues
• Removal of launcher because of false-positives
  • Replaced with dxwrapper
• Fix black l4d1 maps by marking all skybox textures + fix decals (rtx.conf)
• Fix rendering of infected on l4d1 maps

Installation:

0. Previous versions

Skip this and proceed with step 1 if you install the compatibility mod for the first time.

• Go into ...\steamapps\common\Left 4 Dead 2\bin\ and remove the .trex folder
• Remove the l4d2-rtx-launcher.exe or comp-rtx-launcher.exe from ``...\steamapps\common\Left 4 Dead 2`

1. Compatibility Mod

1. Download l4d2-rtx_1.1-829a819.zip
2. Copy All contents WITHIN the l4d2-rtx folder Into your Left 4 Dead 2 root folder (see this)

2. Base Remix Mod

1. Download the base remix-mod - repo: (https://github.com/xoxor4d/l4d2-rtx-base-mod)
2. Extract and place the mods folder into the rtx-remix folder found in the L4D2 root folder
   (create the rtx-remix folder if it does not exist) (see this)

Followed by:

• Start the game by executing run-l4d2-rtx.bat (start as admin if game is installed under Program Files)
• The window title should change to Left 4 Dead 2 - RTX - followed by the GitHub commit number if successful

Tip

Check out the readme and the wiki

✳️ Info:

• Please make sure to carefully read the readme on the main page.
• Current releases ship with a custom build of the remix-dxvk runtime which includes necessary changes for L4D2 (bin/.trex/d3d9.dll)

Folder Structure

.  
├─ ...
├─ 📁 steamapps
│  └─📁 common
│     └─📁 Left 4 Dead 2
│       ├── 📜 run-l4d2-rtx.bat
│       ├── 📜 left4dead2.exe
│       ├── 📜 ...
│       │
│       ├── 📁 left4dead2_lv
│       ├── 📁 platform
│       └── 📁 rtx-remix
│           └─📁 mods
│             └─📁 l4d2rtx
│               ├── 📜 _compatibility.usda
│               ├── 📜 _highquality.usda
│               └── ...
└── ...