Complete the game on Hard Core setting

Dismember 2,500 Necromorph Limbs (single player only)

Kill a Stalker with the Seeker Rifle while in Zoom Mode

Kill a Necromorph with every Weapon in the game (single player only).

Kill 4 enemies with the same Ripper blade

Kill 50 enemies using the Flamethrower

Knock down an enemy with Contact Beam Alt-Fire then kill it with Primary Fire before it stands up

Dismember the Lightspeed Boy Statue

Simultaneously have four completely upgraded weapons

Purchase the Advanced Suit

Complete the game on Zealot setting

Destroy the Marker

Complete the Drill Ride