Gamerscore Points:

Big Game Hunter - 10:
Beat the barbarians in the food hunt.

Spider Tamer - 10:
Get 30 Gamerscore Points in a single Spider Hunter game.

Ice - 15:
Ice 50 water tiles.

Excellent Host - 15:
Host ten multiplayer games.

Stink Bug Smell - 15:
Slay a foe by throwing him into the water.

Adept - 20:
Utilize 25 skills or spells.

Gold Digging Ants - 20:
Get 20 gold medals.

3rd Charm - 5:
Achieve 3 multiplayer games.

Bouncer - 20:
Beat a scenario by knocking all foes out of the playable area.

Tactical Maneuvers - 20:
Acquire 5 of every hit bonus type outside of the tutorials.

Release the Bugs of War - 40:
Complete the single-player campaign.

Recruit - 10:
Complete the Tutorial.