For the Big Heads code (single player only) go to the Options Menu - click in bottom left corner and type: EGOTRIP

For N64
Choose "ENTER CHEAT" from the main menu. Press left or right on the D-Pad, or C-Left & C-Right buttons to change the letter on the "Cheesy Poofs secret decoder". Press START or A to enter a letter. Press B to enter the cheat. If a code was entered correctly it will show which cheat was activated on the screen.
For Phillip enter PHAERT
For Terrence enter RAFT
For Jimbo enter STARINGFROG
For Ned enter HAWKING
For Skinny enter VEGGIEHEAVEN
For big heads enter MEGANOGGIN
For pen and ink mode enter PLANEARIUM

For N64
All cheats (like weapons, people, ect.)

For all cheats go to enter code and type in bobbybird and press start.

Submitted by: Joe

Master

TO GET ALL CHEATS ENTER
BOBBYBIRD

Submitted by: Duane