Play Versus mode.
Become a Mutant-Clyde.
Complete levels 1-24 and 10 Challenge levels under par time.
Complete all of the Challenge Levels.
Win the game!
Collect 100 of the cloned Killer Kenn Action Figures.
Exit 75 clones through the ventilation shafts.
Collect 50 of the cloned Killer Kenn Action Figures.
Become an Ape-Clyde.
Become a Frog-Clyde.
Become a Sheep-Clyde.
Become a Chicken-Clyde.