MPGOD 			- God mode
MPKFA			- All weapons
MPAMMO			- Full ammo
MPCLIP			- Spectator mode (no clipping)
MPHEALTHY		- Full health
MPWHEREAMI		- Displays your coordinates
MPBEEFCAKE		- Increased Power (more gore)
MPKILLEMALL		- Kills all monsters on level
MPSPEEDUP		- Increases your speed (1-5)
MPSTRONGER		- Increases your strength (1-5)
MPCALEB			- Changes your character model to Caleb
MPOPHELIA		- Changes your character model to Ophelia
MPISHMAEL		- Changes your character model to Ishmael
MPGABBY			- Changes your character model to Gabriella
MPBERETTA		- Gives you the Beretta, do twice for dual weapon
MPSUBMACHINEGUN 	-     "    "     Submachinegun        "
MPFLAREGUN		-     "    "     Flaregun             "
MPSHOTGUN		-     "    "     Shotgun              "
MPSNIPERRIFLE 		-     "    "     Sniper Rifle
MPHOWITZER		-     "    "     Howitzer
MPNAPALMCANNON		-     "    "     Napalm Cannon
MPSINGULARITY 		-     "    "     Singularity Generator
MPASSAULTRIFLE		-     "    "     Assault Rifle
MPBUGBUSTER		-     "    "     Bug buster
MPMINIGUN		-     "    "     Minigun
MPLASERRIFLE		-     "    "     Cobalco Laser Rifle
MPTESLACANNON		-     "    "     Tesla Cannon
MPVOODOO		-     "    "     Voodoo Doll
MPTHEORB		-     "    "     The Orb
MPLIFELEECH		-     "    "     Life Leech
MPGOBLE			- 'Brian L. Goble is a programming god!'
MPSCORPIO		-     "    "
MPTOTARO		- 'Jim Totaro is da man!'
MPGOSHOPPING		- All items
MPNICENURSE		- +25 health
MPREALLYNICENURSE 	- +300 health
MPWARD            	- Gives ward (25 armor)
MPNEWCROWARD      	- Gives newcroward (100 armor)
MPCARBONFIBER     	- Gives Willpower Powerup
MPTAKEOFFSHOES    	- Makes you invisible
MPHERKERMUR       	- Gives Triple Damage Powerup
MPBEANSOFCOOLNESS 	- Gives a nice selection of weapons

Thanks to Revolution readers Ben "Fragmaster" Sanders, Brigand, Adriel Shank, Armaghetto, H8RID, sixlets, and Marty Tague!