All Artifacts At the Collect Mode screen, press: UpC, >C, DownC, UpC. All Keys At the Collect Mode screen, press: DownC, UpC, C. All Puzzle Items At the Collect Mode screen, press: UpC, C, DownC, DownC. All Weapons At the Collect Mode screen, press: >C, UpC, DownC, DownC. Butcher In the Cheat Menu, press: DownC, UpC, C. Full Health In the Cheat Menu, press: C, DownC. Level Select In the Cheat Menu, press: C, >C, DownC, UpC. No Clipping In the Cheat Menu, press: UpC 20 times, DownC.