Dead Space 2

Dead Space 2

58 Achievements

1,250

21-27h

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Vacuum Cleaner

Vacuum Cleaner

Decompress 20 Necromorphs without getting sucked out yourself

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How to unlock the Vacuum Cleaner achievement in Dead Space 2 - Definitive Guide

Credit to soliunasm at X360A.org

Chapter 1 - This one is mandatory. It's the tutorial on how to shut the decompression off, and you get one kill for free.
Chapter 3 - Right at the beginning you get your first area you can decompress stuff. You get attacked by one of those bombing guys(With the orange exploding sack on their left arm), two children, and one normal Necromorph. Ignore these four. Kill them but do not hit the glass in back. Then, run up to the glass and you should be attacked by five kids. Kite them all until you can see all five of them in front of you(You should go back to the entrance of Chapter 3, the elevator) and then shoot the glass. You get five kills here for a total of six overall.
Chapter 4 - In the Unitologist Indoctrination room, right after you fix the fuses to allow you to enter the other room, you get attacked by three Necromorphs one you leave the fuse room, so once the three pop out, destroy the window in front of you and now you have a total of nine overall.
Chapter 7 - This is the area with the rogue AI. I can't remember where it is, but once you enter the center of the room you get barricaded in by two Detonator Mines and some explosive barrels at the end of those mines, so you are unable to move them. You can move the explosive barrels at the end prior to the mines being triggered though, then you can shoot out the window yourself and get about 6 kills from all the explosive babies.
Chapter 9 - This is the last one. After you kill the Divider and proceed into the next room, there should be a Power Node on the right. Go to that and you will have a Black Necromorph drop on you and an exploder on the right walking toward you. Shoot out the window directly in front of you.
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31 Jan 2011 06:23

19 Comments
Damn you sir, I was about to post that today. Oh well.
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By soliunasm on 31 Jan 2011 21:44
Chapter 07: Once you have passed the corridor Main Array Access, you will next come to the location where you can decompress up to 08 Necromorphs.
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By CyberneticHFX on 19 Feb 2011 17:27
damn it, guess I'll need a 3rd run now :/
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By Crimson Drifter on 04 May 2011 05:51
What is "kite them" (chapter 3)?

Also, for chapter 3, first you say don't ignore the four, then you say kill them... Which is it?
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By Onza on 03 Sep 2011 00:08
Oh, and how does this add up to 20? I got one extra at chapter 7 for 16, but there's only 2 at chapter 8 for a total of 18. I'll keep looking, but this solution could be more clear.
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By Onza on 07 Sep 2011 00:54
Yeah, it will take me more than 2... dammit! I have advice for anyone attempting this achievement to wait as long as possible to shoot out the window otherwise you will be cheated as to how many enemies spawn.
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By Gumbeaux Jr on 20 Oct 2011 23:11
Got it the second run through, good location tips.
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By Mad Child277 on 17 Dec 2011 18:16
Thanks for the tips, I also got it on my second run.
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By Arj295 on 12 Jun 2012 06:37
on chapter 7 it is possible to get 8. Just have to run around a bit and two more babies will come out. make sure you run to the far side before you blow out the window.
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By Kanchanaburi on 25 Apr 2015 02:20
Great, a 3rd playthrough for me. So after the 2nd play through im doing how do I do. 3rd, does NG+ come up again or something?
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By Nurse Lorax on 19 Jan 2017 16:54
To KITE enemies, means to run around and get the enemies to chase you. They're ideally in single file chasing you, like a ribbon on the tail of a kite.

In Co-Op play, a tank (a player with high armor and hit points) will KITE enemies while teammates with high attack and low armor will attack them.
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By E vee dub on 17 Apr 2018 17:37
ACHIEVEMENT NOT YET WON, by the guide writer?
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By E vee dub on 17 Apr 2018 17:40
Chapter 7 was really tough to get just 6 enemies. The babies get close and explode. Not enough stasis to slow them all.
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By E vee dub on 19 Apr 2018 17:05
Thumbs up from me anyway.
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By Dan vasNormandy on 01 Jun 2018 07:45
Got in two playthoughs. Chapter 7 I used the first crawling necromorph, stasis him and tripped the mines with barrel. That made 8 enemies to vacuum into space.
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By C3LLDW3LLER on 24 Jun 2018 10:27
I was able to get 8 in chapter 7. Stasis the crawling enemy. Move the 2 explosive barrels then destroy the 2 mines and run to the room on your right. There is a stasis tank you can throw at the enemies. I just kept spamming my stasis and before they got in the room I shot out the window.
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By Dingus McKah on 21 Aug 2018 23:07
Thanks, @Dingus McKah.
it made me get the achievement faster
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By DeathJackBR on 10 Aug 2021 01:42
how can this achievement be missable and require multiple playthroughs?

I get that you need to be at specific points in the game to get the decompression kills, but those 2 flags should be mutually exclusive.
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By Dr Marty on 30 May 2024 01:20
OK, did some more research. Sounds like I got lucky with my 18, as the discussion over at http://www.xbox360achievements.org/game/dead-space-2/achieve... is definitely of the opinion it's going to take more than one playthrough (for some it's more than two).
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By Onza on 07 Sep 2011 01:35
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A weak window that is meant for security purposes, must be destroyed in order to cause vacuum. Such a window is signed with these texts: Future Expansion; Warning, Damage to Glass could cause Vacuum.

While vacuum is sucking everything out, shoot the shifter in the central position above a Decompression Window to restore solid atmosphere.

Achievement progression, calculation:
Chapter 01: 01 Necromorph will be decompressed
Chapter 03: 05 Necromorphs can be decompressed
Chapetr 04: 03 Necromorphs can be decompressed
Chapter 07: 08 Necromorphs can be decompressed
Chapter 09: 02 Necromorphs can be decompressed
------------------------------------------------------------------------
Round: 19 Necromorphs can be decompressed

Additional Information: The number of Necromorphs that can be decompressed is identical, regardless to number of Round or Difficulty Setting. Achievement progression can only be continued by playing New Game+.
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19 Feb 2011 18:09

3 Comments
So in essence, if the odd one or two are missed during my original playthrough, I can continue on New Game+ and the counter won't reset?
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By TheTailsEffect on 03 May 2017 18:51
Thats correct, it carries through your playthroughs in New Game +
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By foley1471 on 01 Jul 2021 22:45
Missed too many so just started my round 3 and past the first one and still need this one. Too bad they won´t count for my hard core run.
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By MattiasAnderson on 07 Apr 2024 06:00
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Decompression windows appear throughout the game. They typically have white and yellow writing on the glass advising of future expansion and to take warning. Unfortunately there aren't enough decompression windows in the game to get this on your first playthrough, so you will have to finish it on a New Game +. The location of all the decompression windows are as follows:

  • Chapter 1: Upon entering the 'Critical Needs Room' a gas tank explodes causing the window to break. This is the tutorial for decompression windows. Shoot the red triangle at the top of the window to close the emergency gate. You will get 1/20 here.
  • Chapter 3: After taking the elevator from the 'Concourse' where the Lightspeed Boy Statue is up to the Unitology Lobby, you will see this window at the end of the hallway. You will be attacked by four necromorphs (Exploder, Slasher and 2 Pack). You can use the Javelin Gun here to get "Skewered In Space" and raise your count to 5/20 or you can lure them away from the window and kill them. Run up to the glass and you will be attacked by 5 Pack kids. String them along until you can see all five and head back to the elevator before breaking the glass. Using this method will net you an extra body for 6/20.
  • Chapter 4: In the Unitologist Indoctrination room, after fixing the fuses to gain access to the room on the other side, you get will get attacked by three Necromorphs upon exiting the fuse room. Break the glass for a total of 9/20.
  • Chapter 7: Upon entering this large room, you will be attacked by a Legless Slasher. You will also see the 'Power Grid Room' at the opposite end. Remove the explosive canisters from near the window and head to the middle of the room and yellow detonator beams will activate on both sides of you. If you wait until all the Crawlers enter the room, you can get your count up to 15. If you don't move the barrels you will most likely only get credit for two. Your new count should be anywhere from 11-15/20.
  • Chapter 9: After exiting the 'Pressurization Control 2' room, you will encounter a Divider. Kill it and take the elevator upstairs. Upon exiting the elevator, run quickly to the power node box to the right. Two necromorphs will drop into the room. Shoot out the window and quickly hit the red triangle because there is not much space to work with in this room. Your count should be anywhere from 13-17/20.

(Credit for the locations of each window goes to soliunasm)

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Missable! You are going to need a minimum of 2 playthroughs (and NG+ to carryover stats) as there are very limited opportunities for this. On Chapters 3, 4 and 7 you will find large rectangular windows with inscriptions "Future Expansion" on them and yellow-black hazard bar on top (see Skewered in Space video for impression). Be very careful around them. When there are enemies around, shoot this window to break the glass and suck enemies into space. You will have to shoot the red triangle above the window to prevent yourself from following suit, or you'll die and the kills won't count.

On Chapter 7 use the following strategy from B0SS Zombie to obtain more kills:

In Chapter 7, as you're exploring the Solar Array station, you'll enter a room with a crawling Slasher. Kill him from the entrance, then move the two explosive canisters next away from window. Pick up the corpse of the necromorph you just killed and walk to the middle of the room. 2 detonator traps will activate. Use the body to trigger them, then run to the back corner next to ANTI's hologram (you'll be next to a door). Make sure you're as far back as possible, so you're pressing against the most opposite wall from the window. There will be a Leaper running around and a bunch of Crawlers. Wait until the Leaper is close, then shoot the window. You'll actually be far enough that you won't be sucked out, so you can stand there and wait for the door to close on it's own. I've gotten as many as 7 necromorphs from this one window.

You can track your progress by pressing and checking the "Trophies" option, this stat displayed is tied to your current save file. Your progress will carry forward to the next playthough only if you choose to play on New Game+.

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In just 1 campaign pass, you can throw out a maximum of 18 necromorphs:

Chapter 1 - 1 (on the first broken window).

Chapter 3 - 4 (if you throw out the first wave) and 5 if you throw out the second wave (kids)).

Chapter 4 - 3

Chapter 7 - 7 (you need to run into the doorway opposite. And don’t spare stasis on the necromoths. Delay breaking the window as long as possible so that the last child has time to crawl out from around the corner of the elevator). Don't forget to move the explosive containers away from the window, otherwise only 1 necromorph will fly out.

Chapter 9 - 2

To get the trophy (get 20 on the counter), start a new game+. It is possible at a different difficulty level.
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15 Aug 2012 12:00

There are a lot of moments in the game when you find yourself in a room with glass windows. Just wait for more necromorphs to appear and destroy the glass. The necromorphs fly out the window, and Isaac begins to try with all his might not to fly away, at this moment you need to shoot at the red diamond above the glass you broke. The protective curtain will lower and you are safe. Repeat this until you kill 20 enemies.
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27 Jan 2011 00:20