Stealth take-down 5 enemies

Finish the Game on Easy Without Changing the Difficulty

Kill 30 Enemies with the M9

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

Find 20 Treasures

Kill 30 Enemies with the Mk-NDI

Kill 30 Enemies with the G-MAL

Defeat 50 Enemies with Hand-to-Hand Combat

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

Defeat 20 Enemies with Hand-to-Hand Combat

Finish the Game on Easy Without Changing the Difficulty

Kill 30 Enemies with Mk-NDI Grenades

Kill 50 Enemies by Melee-Attacking from Behind