Pro Action Replay Codes:
Invincible - 00C158:01 -Rid
Infinite Lives - 00C123:09 -Rune
Black Floors - 00C110:02 -Rune
Game Genie Codes:
Start with 5 lives - 040-8DF-E62 -Galoob
Start with 7 lives - 060-8DF-E62 -Galoob
Start with 9 lives - 080-8DF-E62 -Galoob
Infinite lives - 21A-63D-2A2 -Galoob...