BREAKYOSAK - Shotgun ammo
CARRYMORE - Backpack
CHTHOME - Revive
CHTPOS - Kevlar vest and health
CROTCHBOMB - Mines
DAWHOLEENCHILADA - Grenades, Missiles, Napalm, Flamer
EXPLODARAMA - All explosive wapons and ammo
FIREHURLER - Flame thrower and fuel canisters
FLAMENSTEIN - All fire weapons and ammo
GIMMEDAT - Get everything
HEALTHFUL - Full health
HESSTILLGOOD - Resurrection
IAMSOLAME - Invulnerability
LOBITFAR - Grenades and molotov cocktails
SHELLFEST - Spray Cannon.
SHOTGUN - Shotgun
STERNOMAT - Napalm
THEBESTGUN - Spray Cannon
THERESNOPLACELIKEOZ - Skip level
THICKSKIN - Full armor
TITANIII - Missile launcher and missiles

Thanks to Revolution readers Sirbean, Magic the Cat, Luke (Magic's owner), Dags Duncis, and Mark the Man Shander!