Defeat a Harvester.

Survive the swarm.

Hijack an Atlas mech.

Use a stealth attack to take down five enemies.

Earn a level-four title.

Complete Chapter 4 in Jake's campaign.

Perform a coup de grâce on ten enemies.

Help or rescue your partner ten times.

Customize your dog tags.

Purchase one skill.

Defeat an enemy while dying, then recover without any help.

Unlock a hacked version of one of the Abstergo videos in the story quest.