Beat the game on the very hard difficulty level. Then, the following options will now become available: Polygon test (view enemies from any angle), Mission select, Movie test (view all FMV sequences), and Audio test.
Start a game in single player mode. Then on controller two just before losing your last life, press Start to gain three additional continues.
| Infinite Ammo P1 | 800B94BC 6B00 |
| Infinite Grenades P1 | 800B94C6 0318 |
| Infinite Health P1 | 800B94BE 0064 |
| Infinite Continues P1 | 800BA954 0005 |
| Infinite Ammo P2 | 800B94CC 7200 |
| Infinite Grenades P2 | 800B94D6 0318 |
| Infintie Health P2 | 800B94CE 0064 |
| Infinite Continues P2 | 800BA985 0005 |
