Protection from most enemy hits:
A3YA-AA32

Wolverine's spin slash uses no extra mutant power:
ABDT-CAG8
ABET-CAAE

Cyclops' eye-beam uses no mutant power:
ABMA-CAC4
ABPA-CAC6

Cyclops' eye-beam uses no mutant power:
ABMT-CAE2
ABNA-CAFA
*Not effective when ducking or jumping.

Nightcrawler's teleport uses no mutant power:
DKWA-CA4C
DVWA-CA6L

Gambit's lethal burst uses no mutant power:
AB1A-CAGJ
AB1T-CAHE

Protection from spikes:
ACJT-CAGA

Switch X-Men an unlimited number of times:
ALKA-CA86

Wolverine's claws use no mutant power:
ALKT-CA4L

Wolverine heals himself faster:
P0KT-DAYW

Mutant power regenerates much faster:
ACKT-CAFT

Mutant power regenerates faster:
TCKT-CAFT

Mutant power regenerates much faster:
ACKT-CEFT

Mutant power regenerates to full very quickly:
ACKT-CJFT

Use Iceman multiple times:
BC7A-CA5W

Use Storm multiple times:
BC7T-CA2T

Use Rogue multiple times:
BC8T-CA42

Use Archangel multiple times:
BC9T-CA80

No health lost from falling off screen:
BDBA-CA34

No mutant power lost when Wolverine falls off screen:
B5BA-CA7T

Start part way through the Savage Land:
AP6T-EAF2

Start in Shi'ar Empire:
AV6T-EAF2

Start on Excalibur's Lighthouse:
AZ6T-EAF2

Start inside Excalibur's Lighthouse:
A36T-EAF2

Start in Ahab's future world:
A76T-EAF2

Start in Mojo's Crunch:
BB6T-EAF2

Start on Asteroid M:
BK6T-EAF2