Type in these cheat codes while playing Redneck Rampage:
rdall rdclip rddebug rdelvis rdfuckngoXYY rdguns rdinventory rditems rdkeys rdmonsters rdrate showmap rdskill# rdunlock	All items and full health. Toggle clipping mode. Toggle debug mode. Toggle God mode. Go to X episode and YY map. All weapons. All inventory. All items. All keys. Toggle no monsters mode. Shows framerate. Shows map. Change skill number # (1-4). Toggle locks.