Complete the following achievements to unlock Microsoft Gamerscore points.
|Achievement||How to unlock||Points
- Collect all Troll idols and max out ability points.
- Complete the crash scene in co-op mode.
- Drop the airplane in the crash scene.
- Kill 10 scavengers using spears while on Troll's back.
- This is a rare achievementDestroy all Hunter sirens.
- Collect all Diary Entries.
- Defend against a troll hunter.
- Collect 10 health plants.
- Close all of the fractures.90
- Complete the mineral mine scene.
- Collect all Otto idols and max out skill points.
- Complete the game in co-op.
- A dying hunter tells his story.
- Complete the collapsed bridge scene.
- Open the Troll door and enter the caves.
- Discover the hide ability.