Auto-Shift (DAS) Delay Speed
Tetris (USA)
Nintendo Entertainment System
rimsky82 
89D4?00:??
Always Get ? Piece
Tetris (USA)
Nintendo Entertainment System
rimsky82 
991A?D0:F0
9928?65:A9
9929?19:0?
Get 3 Extra Lives When You Complete a Stage
Super Mario Bros. 3 (USA)
Nintendo Entertainment System
BigBossman 
KGVSUISU
Zero Death Game Mode
Super Mario Bros. 3 (USA)
Nintendo Entertainment System
noswanson1982 
GGXPLOVS
NYXPIPYE
AGXPGPTL
Maximum Power
Boxing Legends of the Ring (USA)
Super Nintendo
ADnova 
7E1CED:50
Play as the Bosses
Pit-Fighter (World) (Beta)
Genesis/Mega Drive
Whipon 
BMRA-3A3A