Beat 'Chapter 5 - The Fortress' in less than 10 minutes

Kill 50 Enemies by Melee-Attacking from Behind

Kill 5 Enemies with a Single Punch After Weakening Them with Gunfire

Kill 10 Enemies with Grenades While Hanging

Kill 3 Enemies with 1 Explosion 5 Times

Kill 5 Enemies in a Row with Brutal Combo

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

Defeat enemies with a pistol, machine gun, and grenade, in that order, in 15 seconds

Perform 30 vertical stealth takedowns

Find all Treasures and the Strange Relic

Kill 30 Enemies with the M79

Used the Hack Tool to hack an object at a distance.

The player has completed the game without harvesting any Little Sisters