Looney Tunes: Back In Action Codes - 
  
 
Level select:
 Submit the code PASSPORT  .
Invincibility:
 Submit the code TOUGHAGE  to make Bugs and Daffy
invincible. They will still get hit by enemies, but will not lose
their lives.
Free costume doors:
 Submit the code SUITSYOU  .
Bonus Game:
 Collect all 7 Bird seeds in each place you go and you will get 7 Bonus
game at you can only play if you go to one of those places. Tip whan you go to a
place to play one of them read to see if it said Wiley the coyote race game.
Another tip if you do not understand here\'s a another way every place you go it
will be the last one on the filmstripe.
  
Show Gossamer Doors in the Warner Bros.
Studios.:
 Submit the code GOBBLE  .
Cannon Ball costume:
 Submit the code CANNON  to play the entire game
in the Cannon Ball costume.
Duck Danger costume:
 Submit the code DANGERD  to play the entire game
as Daffy Duck in his Duck Danger costume.
Hen grenades:
 Submit the code HENSAWAY  to give your toon a
new attack option called "Hen Grenades".
Slappy Fish:
 Submit the code SLAPPY  .
ACME Shrink Ray:
 Submit the code WEENY  .
Additional $500:
 Submit the code AMUNKEY  .
Duck Danger Battle:
 Submit the code OUTTAKE  .
Wile. E. Coyote mini-game:
 Submit the code FURRYOUS  .