Teenage Mutant Ninja Turtles 2: Battle Nexus - Health

Infinite Shuriken:
Enter RSRLRSM as a password.

Lose Shuriken:
Enter RLMRDSL as a password. Your Shuriken will be disabled. Note: This code has no effect in the tournament modes.

Mighty Turtle:
Enter LSDRRDR as a password. Your characters will no longer be hurt by damage.

Abyss:
Enter SDSDRLD as a password. You will lose all health after falling. Note: This code has no effect in the tournament modes.

Challenge Mode Endurance:
Enter MRMDRMD as a password. Stamina restore will no longer be available.

Character's Feet Pass Through Wall:
Whenever you do a wall-jump, look very carefully to see that your character's toes or sometimes even their feet are passing through the wall.

Fatal Blow:
Enter LRSRDRD as a password. Enemies have one-hit kill ability. Note: This code has no effect in the tournament modes.

New Nexus outfit for Donatello:
Enter DSLRDRM as a password.

New Nexus outfit for Leonardo:
Enter LMRMDRD as a password.

New Nexus outfit for Michelangelo:
Enter MLMRDRM as a password.

New Nexus outfit for Raphael:
Enter RMSRMDR as a password.

Nightmare:
Enter SLSDRDL as a password. All enemies will have their attacks doubled. Note: This code has no effect in the tournament modes.

Use the following key when entering the passwords:

L: Leonardo
M: Michaelangelo
D: Donatello
R: Raphael
S: Shredder

Pizza Paradise:
Enter MRLMRMR as a password. All health items will be replaced by full HP pizzas. Note: This code has no effect in the tournament modes.

Play as Casey Jones:
Win the Open Brawl Tournament. Alternately, Casey Jones is unlocked five days after a saved game file is created; you can change the system date to do this. Casey Jones replaces Raphael.

Play as Karai:
Defeat Karai in the Foot Fight Tournament in less than 150 seconds. Alternately, Karai is unlocked thirty five days after a saved game file is created; you can change the system date to do this. Karai replaces Michaelangelo.

Play as Slashuur:
Win the Battle Nexus Tournament. Alternately, Slashuur is unlocked forty five days after a saved game file is created; you can change the system date to do this. Slashuur replaces Leonardo.

Play as Splinter:
Successfully complete level 11-7. Alternately, Splinter is unlocked ten days after a saved game file is created; you can change the system date to do this. Splinter replaces Donatello.

Playmates unlocked in bonus materials:
Enter SRMLDDR as a password.

Poison:
Enter DRSLLSR as a password. Your character will slowly lose HP. Note: This code has no effect in the tournament modes.

Self Recovery:
Enter DRMSRLR as a password. Your character will slowly regain HP. Note: This code has no effect in the tournament modes.

Squeaking:
Enter MLDSRDM as a password. Alternate sounds will play when objects are hit. Note: This code has no effect in the tournament modes.

Super Defense Power:
Enter LDRMRLM as a password. Your defense will be doubled. Note: This code has no effect in the tournament modes.

Super Offense Power:
Enter SDLSRLL as a password. Your attacks will be doubled. Note: This code has no effect in the tournament modes.

Super-Tough:
Enter RDSRMRL as a password. All enemies will have their defense doubled. Note: This code has no effect in the tournament modes.

Teenage Mutant Ninja Turtles arcade game:
Find the Teenage Mutant Ninja Turtles arcade game during Mission 9-1 and use it to play the classic arcade game.

Toddling:
Enter SSSMRDD as a password. Alternate sounds will play when you walk. Note: This code has no effect in the tournament modes.