Pop the panels but one and when you have killed 16 necromorphs, then go for the last panel to finish things up. I used the flame thrower to protect myself and the pulse rifle to pop the panels when necessary. In this sequence,Gabe will need to fend off wave after wave of necromorphs while needing to shoot the 4 panels around the door to let it open. If you did not heed the spoiler warning at the top, then prepare for the end sequence of the game.
Dead Space: Severed will be available soon for the PS3 and Xbox 360. Kill 16 or more enemies in the final last stand combat sequence. Dead Space 2 is available now for the PC, PS3, and Xbox 360. Now that you have the second Peng statue in Dead Space 2…what the hell is PENG!? Remember the The Peng statue will be on the table here against the far wall. Deal with it and follow the corridor around to the right and you will come to a locked vent shaft. Enter the large room with large columns and steam in the air and make your way to the far end where a Pregnant will come around the corner. After you reach the large necromorph in the lab coat and see a half opened door in the hallway, head through the door opposite the elevator entrance. In the second chapter, you will come to a large hospital area. Now that you have the second Peng statue in Dead Space 2…what the hell is PENG!? I simply backed myself into a corner and let everything come to me as I obliterated it from a relatively safe distance.Once the countdown reaches zero and you open the door, the achievement/trophy will pop for you. Basically just after the Grinder Room, you will come to a room with locked security doors and you need to fend of the attacking Necros until the countdown reaches zero. This achievement is story related so it’s impossible to miss unless you move off of the platform. Defend the quarry platform until the door unlocks.