A3YA-AA32 Protection from most enemy hits
BDBA-CA34 Protection from falling off screen (no health lost)
ACJT-CAGA Protection from spikes
AB1A-CAGJ + AB1T-CAHE Gambit's lethal burst uses no mutant power
DKWA-CA4C + DVWA-CA6L Nightcrawler's teleport uses no mutant power
ALKT-CA4L Wolverine's claws use no mutant power
ABET-CAAE + ABDT-CAG8 Wolverine's spin slash uses no extra mutant power
ABMT-CAE2 + ABNA-CAFA Cyclops' eye-beam uses no mutant
power--except when you duck or jump
ABPA-CAC6 + ABMA-CAC4 Cyclops' optic blast uses no mutant power
ACKT-CAFT Mutant power does not regenerate
TCKT-CAFT Mutant power regenerates faster
ACKT-CEFT Mutant power regenerates much faster
ACKT-CJFT Mutant power regenerates to full very quickly
BC7A-CA5W Lets you use Iceman multiple times
BC9T-CA80 Lets you use Archangel multiple times
BC8T-CA42 Lets you use Rogue multiple times
BC7T-CA2T Lets you use Storm multiple times
P0KT-DAYW Wolverine heals himself faster
ALKA-CA86 Switch X-Men an infinite number of times
AP6T-EAF2 Start part way through Savage Land
AV6T-EAF2 Start in Shi'ar Empire
AZ6T-EAF2 Start on Excalibur's Lighthouse stage
A36T-EAF2 Start inside Excalibur's Lighthouse
A76T-EAF2 Start in Ahab's Future World
BB6T-EAF2 Start in Mojo's Crunch
BK6T-EAF2 Start in Asteroid M
B5BA-CA7T No mutant power lost when Wolverine falls off screen