Get the five hidden Road Runner bird seeds in a level to unlock a bonus level.
Fast And Furry-ous 220km/h: Collect all the Road Runner bird seeds in the Warner Studios level.
Fast And Furry-ous 240km/h: Collect all the Road Runner bird seeds in the Paris And Louvre level.
Fast And Furry-ous 260km/h: Collect all the Road Runner bird seeds in the Yosemite Sam level.
Fast And Furry-ous 280km/h: Collect all the Road Runner bird seeds in the Area 52 level.
Fast And Furry-ous 300km/h: Collect all the Road Runner bird seeds in the Jungle level.
Cannon Ball costume
Enter CANNON as a code to play the entire game in the Cannon Ball costume.
Duck Danger Battle
Enter OUTTAKE as a code.
Finding The Statues
When you are near a Michigan J. Frog Statue you will hear somethig start croaking and the closer you are to it the louder it gets.
Free costume doors
Enter SUITSYOU as a code.
Invincibility
Enter TOUGHAGE as a code to make Bugs and Daffy invincible. They will still get hit by enemies, but will not lose their lives.
Level select
Enter PASSPORT as a code.
New Selectable Weapon
On the code entry menu enter HENSAWAY to attack with a new selectable weapon.
Play as Danger Duck
On the code entry menu enter DANGERD to play the whole game as "Danger Duck".