Kill 100 Enemies with Headshots

Kill 50 Enemies with the M4

Kill 20 Enemies by Shooting from the Hip (without aiming)

Kill 50 Enemies with the FAL

Kill 30 Enemies with Mk-NDI Grenades

Defeat 20 Enemies with Hand-to-Hand Combat

Finish the Game on Easy Without Changing the Difficulty

Kill 50 Enemies with the M4

Kill 20 Enemies by Shooting from the Hip (without aiming)

Defeat Greham and Feyrbrand.

Defeat Virage.

Collect 1 Stardust.