Result                        Cheat Code
Invincibility                 iworkforgod
Invisibility                  nod3d
Crossbow                      mediumrare
Shotgun                       bigstickofdeath
Tommygun                      meetmypaltommy
Elephant gun                  smileynomore
Flamethrower                  burnyourassoff
Dynamite                      goodtimesman
All weapons                   getintomybelly
100 bullets                   iamawimpforthis
Silver bullets                wwbeware
Lith bullets                  vampbeware
Mercy bullets                 demonbeware
Flaming ammunition            flameonastick
Charge radiance emitter       sunofgod
Recharge flashlight battery   recharge
Night vision goggles          icansee
Gas mask                      thedogfarted
Full health                   givemefaith
Disable enemy AI              hellfreezeover
Easy combat                   combatisscary
Easy difficulty               isuck
Easy puzzles                  puzzlesarescary
Hard difficulty               irule
Dismemberment mode            gibnplenty
Big head mode                 bighead
Terminator 2 skin texture     t2000
Weather is raining            thunderstorm
Weather is snowing            snowstorm
Crash game                    instantcrash#
Slow down or speed up time    time
Black, pink, gray objects     blank
Darker graphics               dark