Accomplish the indicated achievement to get the corresponding number of Gamerscore points:

Absurd Amphibian (10 points): Become a Frog-Clyde.
Ancestorial Antics (14 points): Become an Ape-Clyde.
Battle Addict (12 points): Play Versus mode.
Becoming Baaaad (8 points): Become a Sheep-Clyde.
D.N.Ain't (16 points): Become a Mutant-Clyde.
Dupliclone Dash (18 points): Successfully complete levels 1 to 24 and 10 Challenge levels under the goal time.
Foolish Freedom (20 points): Exit 75 clones through the ventilation shafts.
Kenn Collection (15 points): Collect 50 cloned Killer Kenn Action Figures.
Killer Kudos (25 points): Collect 100 cloned Killer Kenn Action Figures.
King Clyde (20 points): Successfully complete all of Super-Challenge levels.
Master of all Clyde-Dumb (30 points): Successfully complete the game.
Poultry Party (12 points): Become a Chicken-Clyde.