Troll and I achievements

Collect all Otto idols and max out skill points

Complete the game in co-op mode

Collect all diary entries

Collect all Troll idols and max out ability points

All trophies acquired. Friends for life!

Drop the aeroplane in the crash scene

Close all fractures

Destroy all hunter sirens

Complete the crash scene in co-op mode

Kill 10 scavengers using spears while on Troll's back

Defeat the Ahky boss

Free the prisoner