God Mode: C-Left, C-Right, C-Down. 
Level Select: C-Left, C-Left, C-Right, C-Right, 
C-Right, C-Down, C-Up. 
Butcher (instant kills): C-Down, Top C, C-Left, 
C-Left. 
Health: C-Left, C-Up, C-Down, C-Down. 
Walk through walls: C-Up(20), C-Down.