Perform 30 vertical stealth takedowns

Defeat 50 enemies from-the-hip or blind-firing

Defeat enemies with a stealth attack, melee attack, headshot, and explosives, in that order, in 15 seconds

Find a Journal Entry

Defeat 50 enemies with headshots

Defeat 20 enemies with headshots

Perform 10 combo buddy takedowns

Kill 50 Enemies by Melee-Attacking from Behind

Defeat 30 Enemies in a Row with Your Side Arm

Kill 50 Enemies by Melee-Attacking from Behind

Kill 30 Enemies with the RPG-7

Defeat 20 Enemies While Swimming

Activate a Tweak