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

Beast Slayer (60 points): Complete all Colossal Beast missions.
King of the Jungle (40 points): Complete all Malgorian Jungle missions.
Master Gardner (40 points): Complete all Luscious Garden missions.
The Escape (50 points): Complete all Cave missions.
Zartog's Demise (70 points): Complete all Zartog's Palace missions.
Who needs invincibility? (35 points): Complete any mission without dying.
Nice Balance (35 points): Have Ham complete any mission past Holy Blow Hole! without falling into a pit.
Holy Blow Hole! Racer (40 points): Complete Holy Blow Hole! in less than 3 minutes.
In Digestion Racer (40 points): Complete In Digestion in less than 4 minutes.
Inside Guy Racer (40 points): Complete Inside Guy in less than 4 minutes.
Ham of the Jungle Racer (40 points): Complete Ham of the Jungle in less than 4 minutes.
Splork's Army Racer (40 points): Complete Splork's Army in less than 6 minutes.
Flower Power Racer (50 points): Complete Flower Power in less than 4 minutes.
Garden of Beatin' Racer (50 points): Complete Garden of Beatin' in less than 6 minutes.
Spelunking Monkey Racer (50 points): Complete Spelunking Monkey in less than 6 minutes.
Dungeons and Chimps Racer (50 points): Complete Dungeons and Chimps in less than 5 minutes.
Storm the Palace Racer (50 points): Complete Storm the Palace in less than 5 minutes.
Globhopper Magnet. (30 points): Collect all globhoppers in a mission.
Bananas for Bananas (60 points): Collect all the Dole Bananas in the game.
No More Secrets (40 points): Unlock all the bonus content.
Where Credits Due (20 points): Watch the credits all the way through.
Bring the Pain (20 points): Defeat all the enemies in a mission.
Globhopper Guru (50 points): Collect all 560 globhoppers in the game.