Ignite a Brute's back 5 times in Campaign or Escalation.

Complete Fuel of War on any difficulty.

Get 10 kills using detached turrets in any mode.

Multi-Kill 3 car soldiers at once using an explosive weapon in Campaign or Escalation.

Hint: **i** *i***

Streak through an entire song without missing a note on medium or harder difficulty

Learn about the world, and Elika's history.

Block 50 attacks.

Talk to Elika.

Completing the Canyon.

Unlock Elika's Saving Ability.

Complete Career on any difficulty with any instrument