This procedure involves the PC version of the game and editing a game file; create a backup copy of the file before proceeding. Use a text editor to edit the "defuser.ini" file in the game directory. Set a key binding to the following codes (for example, "F10=fly"). Then, press the corresponding key during game play to activate the corresponding cheat function. Note: Any active codes are disabled when a new area loads or intermission sequence plays.

God mode: god
Full health: givehealth
Full Eve: givebioammo
$500: igbigbucks
Disable clipping: ghost
Flight mode: fly
Disable "fly" and "ghost" codes: walk
Kill all enemies on level: killpawns
Slow motion: slomo
Teleport to pointer: teleport
Obtain indicated Plasmid or Tonic: exec Plasmid.txt
Commit suicide: suicide