Kill 5 Enemies in a Row with Brutal Combo

Finish the Game on Easy Without Changing the Difficulty

Kill 50 Enemies with the M4

Kill 30 Enemies with the MP40

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

Kill 5 Enemies in a Row with Headshots

Compare Statistics with Friends

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

Found the Nora War-Chief and defeated the killers in the Ring of Metal.

Kill 20 Enemies with Brutal Combo

Find the Strange Relic

Kill 50 Enemies with the PM - 9m

Find 10 Treasures