Level Passwords
Elite Difficulty
Mission 2 Red Wolf 1ZB1S2S22M??
Mission 3 Sun Devil BJBBC3S225??
Mission 4 Eagle Watch BZBBSMS22888
Mission 5 Ghost Dance CJDCCQS2F288
Mission 6 Fire Walk CZDCSWS2FMQ8
Mission 7 Lion's Den DJBDCYS2F5
Mission 8 Deep Magic DZBDS8S2F???
Mission 9 Lone Fox 2JB2D1S2G2??
Mission 10 Black Star 2ZB2T2S2GM??
Mission 11 Wild Arrow FJDFD3S2G5??
Mission 22 Mystic Tiger FZDFTMS2G888

Recruit Difficulty
Mission 2: Red Wolf 12D1S2Q22MQQ
Mission 3: Sun Devil BJDBC3Q22WQQ
Mission 4: Eagle Watch BZDBSMQZZ!QQ
Mission 5: Ghost Dance CJTCCQQ2FGSQ
Mission 6: Fire Walk K2TK65Q2F4SQ
Mission 7: Lion's Den T2TT68QGF!WQ
Mission 8: Deep Magic 5JR5L1QGGGSQ
Mission 9: Lone Fox 52T572Q4G4SQ
Mission 10: Black Star VJVVLJQGGWSQ
Mission 11: Wild Arrow VZVVXMQ26!SQ
Mission 12: Mystic Tiger VZRFTMQ2G8SQ

Veteran Difficulty
Mission 2 Red Wolf 1ZL1S2RF2MQQ
Mission 3 Sun Devil BJJBC3RF25QQ
Mission 4 Eagle Watch BZJBSMRF28RQ
Mission 5 Ghost Dance CZBCS5RFFMRQ
Mission 6 Fire Walk DJBDCYRFF5RQ
Mission 8 Deep Magic LZBDS8R2F8RQ
Mission 9 Lone Fox MJB2D1R2G2RQ
Mission 10 Black Star 2ZB2T2R2GMQQ
Mission 11 Wild Arrow FJJFD3R2G5RQ
Mission 12 Mystic Tiger FZJFTMR2G8RQ
(Thanks to anditendedwithe@hotmail.com)

Level Select
Enter: FZJFTMR2G8RQ and at the following screen, press A.
This password can only be used without a Memory Pak inserted.
(Thanks to anditendedwithe@hotmail.com)

Unlimited Frag Grenades and Flashbangs
Hold the Z button, when throwing, until it reaches full throwing power. Now, release the Z button and repeat immediately until you have 255 Frag Grenades and Flashbangs.
(Thanks to anditendedwithe@hotmail.com)