Complete the following achievements to unlock Xbox Live Gamerscore points.

Achievement	How to unlock
Birdbrain Beatdown ( 15 points )	Defeat Araxia in battle.
Jeepers Peepers ( 5 points )	Acquire the Eyeball costume.
Playin' Hooky ( 5 points )	Use the Pirate hook on 5 unique ziplines.
Revolutionary Hero ( 15 points )	Complete all quests in Repugia.
Short Stack ( 10 points )	Find the mysterious visitor in the cliffs of Repugia.