Super Pacman

Infinite Lives:
 801E1006 0300

Dragon Buster

Infinite Vitality (Note 1):
 800C9A04 0080

Infinite Smart Bombs:
 800C99A4 0003

Gaplus

Infinite Lives:
 80151104 0003

Grobda

Infinite Lives:
 800CAFA8 0003

Mappy

Infinite Lives:
 801E4274 0300

Xevious

Infinite Lives:
 8019C760 0003

Note 1: This code will cause the game to be trapped in a loop. You must turn off the Action Replay
before you kill the dragon, then re-enable it after the next level starts. You will need to do this
for every level.