Hexen

Code              Effect
BUTCHER           destroy all enemies
DELIVERANCE       turn into a pig
CLUBMED           max health
INDIANA           full load
INIT              restart
LOCKSMITH         get all keys
CASPER            clipping on/off
MAPSCO            show entire map
MAPSCOMAPSCO      show entire map and objects
NRA               all weapons (duh.)
KILLS             displays count in deathmatch mode
SATAN             invulnerability
SHADOWCASTER0-2   change class, pick an integer 0-2
TICKER            count frames
SHERLOCK          get all puzzle pieces
VISITx            jump to level x
WHERE             X,Y coordinates