Left 4 Dead 2 Gameinfo.txt
Editing gameinfo.txt is the nuclear option. A single typo—a missing quote, a missing curly brace } —will cause the Source Engine to fail silently or violently.
If you fail to add these, the game will throw the infamous error: or simply crash to desktop during loading. left 4 dead 2 gameinfo.txt
"SupportsDX8" "0"
Defines the window title (e.g., "Left 4 Dead 2") and type (e.g., multiplayer_only Mounting Content: Specifies the SteamAppId (550 for L4D2) to mount necessary base files and ToolsAppId (563) for SDK tools. Search Paths: FileSystem section lists the directories and Editing gameinfo
"game" "Left 4 Dead 2" "title" "L4D2" "title2" "L4D2" "type" "multiplayer_only" "nomodels" "1" "nohimodel" "1" "nocrosshair" "0" "FileSystem" left 4 dead 2 gameinfo.txt
"SteamAppId" "550"