Here are some cheats and tips for the game Mega Man 4.
AAUKZIZA Start with 1 life
IAUKZIZA Start with 6 lives
AAUKZIZE Start with 9 lives
SZUGUAVG Infinite lives
GXNPZTVG Infinite “energy” pods on pick-up
AEOAIEPA Instant megablast!
YXEAIOZO Longer sliding
ZOEAIOZP Shorter sliding
GEOAGPZA Faster sliding
AAKEYPIE Mega Man mega-jumping!
GXENESOO Infinite weapon power
GXVEIPSA Don’t take damage from bad guys
ZANKPTPA + ZEVALLPA Faster running