To use these codes, simply hit the TAB key, type in the code of your choice, and press ENTER.
ALLAMMO Gives you 999 ammo for all of your guns.
FLY Lets you fly around.
GHOST Lets you walk through walls.
WALK Returns you to walking mode if you are flying or ghosting.
GOD Makes you invulnerable to all attacks.
SUMMON Lets you add a weapon or an item to the world.
For example: SUMMON EIGHTBALL, SUMMON FLAKCANNON, SUMMON NALI, SUMMON SKAARJWARRIOR...
PLAYERSONLY Freezes time. Press again to resume time passage.
OPEN{MAPNAME} Jump to any map, just enter the name like OPEN DIG.
BEHINDVIEW 1 Third-person style view.
BEHINDVIEW 0 Resets above.
FLUSH Clean up textures
KILLPAWNS Kill all monsters
SLOMO# Set game speed (#1-10)
KILLALL Kill all of indicated enemy type
INVISIBLE Invisibilty
INVISIBLE0 Invisibility off