Kill 5 Enemies in a Row with Headshots

Find 1 Treasure

Finish the Game on Easy Without Changing the Difficulty

Kill 50 Enemies with the 92FS-9mm

Defeat 50 Enemies with Hand-to-Hand Combat

Kill 50 Enemies with the M4

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

Kill 75 Enemies in a Row Without Dying

Kill 20 Enemies with Headshots

Defeat 10 Enemies in a row with Hand-to-Hand Combat

Finish the Game on Easy Without Changing the Difficulty

Kill 30 Enemies with Mk-NDI Grenades