| GAME GENIE CODES: X-Men 2 - Clone Wars. | ||
| No. | Code | Effect |
| 1 | AKRT-AA58 | Infinite lives |
| 2 | J6SB-8EY6 | Invincible |
| 3 | ABRT-AWEE | Start with 9 health after 1st life |
| 4 | BKRA-AAE0 | Start with 9 lives |
| 5 | A3RA-AAE0 | Start with 5 lives |
Codes 6-11 only work for Wolverine. |
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| 6 | AB7B-WWDN | Regenerate all the way up to 9 |
| 7 | AB7B-WRDN | Regenerate up to 7 |
| 8 | AB7B-WLDN | Regenerate up to 5 |
| 9 | 2K7B-WCDG | Regenerate twice as fast |
| 10 | 6F7B-WADG | Regenerate four times as fast |
| 11 | RFMA-N60W | Play as Magneto on any level |