Pro Action Replay Codes:
Invincibility - 00D510:A6
(Infinite Health and enemies die when they touch you.)
Infinite Lives - 00D0B9:09 -Rune
Infinite Time Seconds - 00D4EA:59 -Rune
Infinite Time Minutes - 00D4EB:09 -Rune
Infinite Tokens - 00D501:99 -Rune
Infinite Energy - 00D0BA:3F + 00DBFE:F3 -Datel
Invulnerability - 00D504:FF

Game Genie Codes:
Invulnerability - 000-42C-F7A
Infinite timer - 219-82B-6E2 -Galoob
Start with 10 min. - 0A2-88B-F76 -Galoob
Start with 6 min. - 062-88B-F76 -Galoob
Start with 4 min. - 042-88B-F76 -Galoob
Start with 2 min. - 022-88B-F76 -Galoob
Each M logo counts as 5 - 05F-ACD-E6E -Galoob
Each M logo counts as 3 - 03F-ACD-E6E -Galoob
Start with 1 life - 012-51E-F7E -Galoob
Start with 5 lives - 052-51E-F7E -Galoob
Start 10 lives - 0A2-51E-F7E -Galoob
Infinite lives - 002-08E-A29 -Galoob