Complete one challenge.

Complete one optional tomb.

Kill 30 Enemies with the SAS-12

Find 40 Treasures

Kill 30 Enemies with the T-Bolt Sniper

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

Kill 30 Enemies with the KAL-7

Successfully Counter all of a Brute's Damage-Giving Attacks

Kill 30 Enemies with the Arm Micro

Defeat 20 Enemies with Hand-to-Hand Combat

Finish the Game on Easy Without Changing the Difficulty

Kill 30 Enemies with Mk-NDI Grenades