BattleTanx 

Invincibility 
Enter "MSTSRVV" as a password.

Infinite lives 
Enter "LVFRVR" as a password.

Infinite ammunition 
Enter "LTSFBLLTS" as a password.

All weapons 
Enter "PLVRZM" as a password.

Invisibility 
Enter "CRSTLCLR" as a password.

All gangs in campaign mode 
Enter "LTSLTSGNGS" as a password.

Storm Ravens gang 
Enter "WMNRSMRTR" as a password. Then the all-women Storm Ravens game,
with laser and cloak power-up will be selectable.

Frog mode 
Enter "FRGZ" as a password.

Toad gang 
Enter "TDZ" as a password to replace the Queen Lords with toads.

Run Story mode 
Enter "CDPLT" as a password.

Psychedelic view 
Enter "CNCTHRTM" as a password.

Spinning view 
Enter "HVRL" as a password.

End game
 
While playing a game, hold C-Left + C-Right + C-Up + C-Down.
Multi-player weapons power-up 
Begin a game in multi-player mode and collect at least 15 of one weapon, except 
for grenades. Aim at an opponent, then press A + B to fire a powered-up version 
of that weapon.
Level passwords 
Enter one of the following passwords to start at the corresponding level with 
the Nuclear Knights gang:

Level   Name                 Password
1       Ground Zero          FRHBMCTNTK
2       The Tunnel           LHTSPMFRGS
3       Times Square         NGLFFPTTFP
4       Strangle Hold Bridge SHPPNRVWGB
5       Bonus                MRFFCRTKP
6       Heartland            LPGCVBBJCF
7       Lake Shore Drive     GLWHJCRNLK
8       State St.            KMKJTMHRNS
9       Bonus                FLWWFCWNRK
10      Armageddon Highway   WSMBCPVRWS
11      Area 51              CGJWVRGLNM
12      Fremont St.          KVVLHFHWTB
13      Bonus                FCLPJRWTMP
14      Crimson Gate         TMFNJMKJGF
15      Wharf                PPJLJHRCVV
16      Bonus                LNKNSWKGTH
17      Q-Zone               WMNRSMRTR