Kill 5 Enemies in a Row with Headshots

Defeat 10 Enemies with Thrown-Back Grenades

Kill 100 Enemies with Headshots

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

Kill 20 Enemies with Gunfire While Hanging

Kill 30 Enemies with the G-MAL

Defeat 20 Enemies with Hand-to-Hand Combat

Finish the Game on Easy Without Changing the Difficulty

Find 20 Treasures

Kill 50 Enemies with the M4

Kill 20 Enemies with the Pistole

Kill 30 Enemies with Mk-NDI Grenades