This game contains flashing lights and fast motion sequences.

• Singleplayer
• 6DoF VR view
• Motion controls for portal gun and grabbable objects
• Workshop content

• Use the game's own haptic feedback
• In-game UI and pause menu are broken
• 6DoF and Roomscale needs to be reimplemented
• CPU is underutilized

1. Download Portal2VR.zip and extract the files to your Portal 2 directory (steamapps\common\Portal 2)

2. Connect your headset, then launch Portal 2 with these launch options:

   -insecure -window -novid mat_motion_blur_percent_of_screen_max 0 mat_queue_mode 0 mat_vsync 0 mat_antialias 0 mat_grain_scale_override 0 -width 1280 -height 720

3. At the menu, feel free to change these video settings.

4. Load into a chapter.

5. To recenter the camera height, press down on the left stick. To see the HUD, aim the controller up or down.

If you have no audio:

• Go to steamapps\common\Portal 2\portal2_dlc3 and execute UpdateSoundCache.cmd

If the game isn't loading in VR:

• Try opening SteamVR before the game
• Disable SteamVR theater in Steam settings

If the game is stuttering, try:

• Steam Settings -> Shader Pre-Caching -> Allow background processing of Vulkan shaders

If the game is crashing, try:

• Lowering video settings
• Disabling all add-ons then verifying integrity of game files
• Re-installing the game

1. git clone --recurse-submodules https://github.com/Gistix/portal2vr.git
2. Open l4d2vr.sln
3. Set to x86 Debug or Release
4. Build -> Build Solution

Note: After building, it will attempt to copy the new d3d9.dll to your Portal 2/bin directory.

• l4d2vr

• VirtualFortress2
• gmcl_openvr
• dxvk
• source-sdk-2013