Collect 25% of all narrative assets (relics, murals and documents)

Heal yourself in combat 3 times

Complete any Challenge Tomb

Completed all Story missions.

Finished the story.

Campaign: Collected all assault rifle models.

Survive a night in the Siberian wilderness

Campaign: Collected all handguns models.

Campaign: Collected all sniper rifle models.

Collected all the bonus medals.

Enter the Syrian tomb

Campaign: Collected all submachine-gun models.