Debug Fly Mode (Press L2 to turn on and Select to turn off)
MegaMan X5 (NTSC-U)
Playstation
Dybbles 
D00C931E 0001
800350A4 800F
800350A6 3C02
D00C931E 0100
800350A4 800D
800350A6 3C02
Enable Debug Menu
Metroid II - Return of Samus (World)
Game Boy
nensondubois 
A02-52B-193
Debug Fly Mode (L2=On/Select=Off)
MegaMan X6 (NTSC-U)
Playstation
Dybbles 
D00CF922 FEFF
80034E1C 800E
80034E1E 3C02
D00CF922 FFFE
80034E1C 800C
80034E1E 3C02
Start in Stage Select
Super Mario 3 Special (Chi Bad Protected)
Game Boy Color
nensondubois 
023-39F-E6E
16:9 Widescreen
Spyro - A Hero's Tail (USA)
Gamecube
Brandondorf9999 
043D6790 3FE38E39
043D86C0 3F2A2000
043D86E4 BFAA0000
044CD7D0 3F000000
Title screen music modifier
Superman (USA, Europe) (SGB Enhanced)
Game Boy
nensondubois 
??A-1AF-D52