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

Kill 100 Enemies with Headshots

Kill 30 Enemies with the G-MAL

Kill 20 Enemies with Gunfire While Hanging

Find 20 Treasures

Defeat 50 Enemies with Hand-to-Hand Combat

Defeat 20 Enemies with Hand-to-Hand Combat

Finish the Game on Easy Without Changing the Difficulty

Kill 100 Enemies with Headshots

Kill 50 Enemies with the M4

Kill 20 Enemies with Gunfire While Hanging

Kill 20 Enemies with Headshots