| Option | Description |
| -mountmod <path> | Specifies the mod to launch the game with. Must be an absolute path |
| -nogamemount | Do not mount any games/mods specified in the gameinfo mounts block or mounts.kv |
| -nousermount | Do not mount any games/mods specified in the mounts.kv |
| -nocustommount | Do not mount any folders specified in gameinfo which contain wildcards (* or ?), usually "custom" folders |
| -legacyui | Launches the game with the old VGUI GameUI |
| -dev | Developer mode |
| -multirun/-allowmultiple | Disables the creation of the source engine mutex, and allows the game to start even if one already exists |
| -dedicated | Launches the game as a dedicated server |
| -nojserrors | Disables the Panorama JS error dialog box |
| -unrestrictedwebrequests | Disables the Panorama web request whitelist. NOT recommended, unless for a standalone mod |