Stomach Upset achievement in Left 4 Dead

Stomach Upset

All Survivors complete a campaign without being vomited on.

Stomach Upset0
13 guidesOnline/OfflineSingle PlayerCooperative

How to unlock the Stomach Upset achievement

  • Mister BudsMister Buds1,424,421
    15 Mar 2009 15 Mar 2009
    42 3 6
    This achievement is extremely frustrating even when playing on the easy difficulty.

    The description says that all survivors must complete a campaign without being vomited on. However, it neglects to tell you that no survivors can be exploded on either. So you will need to complete a campaign without coming in contact with boomer bile at all. Only shoot them when you and your team are not in close proximity. If one does catch you off guard, remeber to melee, this will knock boomers off balance and give you more reaction time. Also, all four survivors must finish. You can't kill the computer players and finish by yourself. If your luck runs out and someone gets covered in spew, you can't restart from the last checkpoint, you have to exit to the main menu and start the campaign again.

    I found Blood Harvest to be the best campaign to complete this. I also played with computer controlled teammates as they will be able to take out boomers hiding in the brush before you can even see them. Another trick is to turn on full captioning in the options menu. Now, during gameplay a message box will appear on your screen showing the dialogue, and more importantly, special infected. These messages will warn you of boomers long before their sounds become audible.

    During mayhem scenes when you alert the horde, or just during infected attacks, simply melee and let your teammates kill the zombies while you keep an eye out for boomers. At the finale, i stayed to the left of the front door of the house you call for rescue in. Here you are a good distance away from the action, and will be able to pick off boomers before their throw up becomes a problem. Again, let your teammates battle the infected while you make boomers your top priority.

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    Scythecamyeah i got this during a vs match as well. i suspect you could get "nothing special" the same way
    Posted by Scythecam on 26 Jul 10 at 16:48
    Deranged AsylumI got the achievement on Crash Course on my own with 3 AI's at the end they didnt get vommited on but one did explode over them and I still got the achievement...I dont think exploding matters just the vommit
    Posted by Deranged Asylum on 21 Aug 11 at 18:41
    VCS 2600 AtariDoes it only work on Crash Course VS? I have played a couple of stock campaigns in VS and no achievement... just curious. I will try those suggestions next though.
    Posted by VCS 2600 Atari on 25 Apr 12 at 05:49
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  • S1X DEMON BAGS1X DEMON BAG149,164
    02 Oct 2009 02 Oct 2009
    35 2 4
    If you haven't gotten this achievement yet - do it on the new Crash Course DLC campaign. It's a shorter campaign and, thus, fewer opportunities to get spewed upon. I got it with little trouble this way - especially if you follow the instructions others have given in their solutions.
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    bakum4tsuI did this in Crash Course while playing easy just to get kills and when i finished it showed up. What I mean is, its so easy in CC that i got it without even trying. Like enilson4 suggested, If you're having troubles in the others campaigns, try CC and you should get it easily.
    Posted by bakum4tsu on 20 Apr 10 at 00:41
    Sora401KOh wow. That is very easy to do. I was surprised how fast I got it. Thanks for the tip.
    Posted by Sora401K on 28 Jun 10 at 08:17
    Calex dEUSPopped on my 1st run of crash course also :)
    Posted by Calex dEUS on 14 Aug 12 at 18:20
  • hsBEATNGU36hsBEATNGU3663,563
    14 Jul 2009 14 Jul 2009 20 Jul 2009
    36 4 14
    This and Nohing Special are not as hard as they sound. Set up Dead Air on easy play until you get to the begining of chapter 5. ( In safe room, Dont open safe room door.) Return to lobby. All prior special attacks are gone. Start at chapter 5. Don't get hit by any special and you will get Stomach Upset and Nothing special. To ensure you do not get hit, Hide behind the plane you board at the end, on the hump, on the border of the map. When the tanks come move foward, right agaianst the plane and it will get stuck,(shoot them from under the plane) get on the plane after the 2nd tank and bam, two achievements easy.

    Message me on xbox if you want me to help you, free of charge.
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    Basanakindont think this method works anymore :(
    Posted by Basanakin on 11 Apr 12 at 11:53
    Sakura460i can confirm that this still works and also you can get the do not disturb achievement as well, thank you so much
    Posted by Sakura460 on 07 May 12 at 21:03
    xXMalakian XVIIThis worked flawlessly on XB1 as well, fantastic guide.
    Posted by xXMalakian XVII on 22 Jun 20 at 11:24
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