Eight continues
Anytime during the game, press Start to pause the game, then press Up, Up, Up, Down, Down, Down, Left, Right, Right, Right, B, A, A, A, A. When you unpause, you will have eight continues.
3CCE C4AB Infinite bullets
3CB5 140C No damage from bad guys
3CB2 446C No energy loss when you hit civilians
3CB2 446C 1/2 your energy is lost when you hit civilians
F365 CF64 + F362 CD64 Play with more energy
6DBF 1FAC Keep weapon until you die
DAA3 4F60...