| `-entries` | Print to the console a list of every asset as they are loaded from zonefiles. |
| `-stdout` | Redirect all logging output to the terminal iw4x is started from, or if there is none, creates a new terminal window to write log information in. |
| `-console` | Allow the game to display its own separate interactive console window. |
| `-dedicated` | Starts the game as a headless dedicated server. |
| `-scriptablehttp` | Enable HTTP related gsc functions. |
| `-bigminidumps` | Include all code sections from loaded modules in the dump. |
| `-reallybigminidumps` | Include data sections from all loaded modules in the dump. |
| `-dump` | Write info of loaded assets to the raw folder as they are being loaded. |
| `-monitor` | This flag is for internal use and it is used to indicate if an external console is present. |
| `-nointro` | Skip game's cinematic intro. |
| `-version` | Print IW4x build info on startup. |
| `-zonebuilder` | Start the interactive zonebuilder tool console instead of starting the game. |