Finish the Game on Easy Without Changing the Difficulty

Kill 30 Enemies with the M79

Kill 50 Enemies with the M4

Kill 30 Enemies with the Dragon Sniper

Kill 30 Enemies with the MP40

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

Kill an Enemy While Playing as an Alternate Character Costume Other Than Drake

Kill 20 Enemies with the Wes - 44

Kill 50 Enemies with the Micro-9mm

Kill 50 Enemies with the AK-47

Kill 50 Enemies with the Moss - 12

Kill 50 Enemies with the PM - 9m

Kill 20 Enemies with Headshots