Press [Ctrl] + [Shift] + ~ or [Ctrl] + [Shift] + @ (on some keyboards) during game play to display the console window. Enter one of the following codes to activate the corresponding cheat function, then press [Ctrl] + [Shift] + ~ or @ again to exit the console window.

Effect	Code
Enable statgraph	statgraph()
Hide taskbar	taskbar_hide
Remove all fog (See Note)	FOW_Reveal
Set game speed; 10 is the default	setsimrate([number])
Show frame rate; statgraph must be enabled	statgraph_channel("fps")
Show taskbar	taskbar_show
Toggle big head mode	ee_bigheadmode([0 or 1])
Toggle fog of war	FOW_Toggle Toggle

Note: You must first add the -Dev command line parameter to end of the "Target" field in the "Shortcut" properties that are used to launch the game.