All Weapons
From the password screen enter, DLVTRKBWPS.
Bird Mode
From the password screen enter, DLVTRKBBRD. Hold Select and press A to fly during the game.
Infinite Health
From the password screen enter, DLVTRKBNRG.
Infinite Lives
From the password screen enter, DLVTRKBLVS.
Level Passwords
Level - Easy - Medium - Hard
2 - DVYLWKVYNL - QVYLWKVYDT - DLTLWKVYYC
3 - GRYLWKWVNR - TRYLWKWVNN - GNYLWKWVPP
4 - DRYLSRWVRY - QRYLSRWVTS - DNYLSRWVPT
5 - GVZLSRWQKZ - TVZLSRSQKB - GLZLSRSVPW
6 - DVZLSVQKK - QVZLBVSQRL - DLZLBVSVVB
7 - GRZLBVSQZY - TRZLBVBQKB - GNZLBVBQVL
8 - DRZLBVSQGG - QRZLBVBQKS - DNZLBVBQVN
9 - GVYNBVBQGD - TVYNBVBQRL - GLYNBVBQQD
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Level Select
From the password screen enter, DLVTRKBLVL.