Kill 100 enemies

Achieve maximum Combat Proficiency.

Collect all Inhibitors hidden in GRE Quarantines.

Defeat all GRE Anomalies.

Max out your Stamina.

Learn how to craft Exploding Arrows

Score 10 headshots on Rais's men with a bow

Activate all Windmills.

Activate all Metro Stations.

Clear all Bandit Camps.

Assign all Facilities.

Kill 20 enemies in a row with melee weapons without taking damage.