Collect 25% of all relics.

Kill 50 enemies with the bow.

Complete one optional tomb.

Complete the game in light mode

Defeat 50 enemies from-the-hip or blind-firing

Pull 20 enemies over when hanging from a ledge

Defeat 50 enemies with headshots

Stealth take-down 30 enemies

Stealth take-down 5 enemies

Finish the Game on Normal Without Changing the Difficulty

Defeat 20 Enemies by Blind-Firing While in Cover (without aiming)

Kill 30 Enemies with the Arm Micro