Left 4 Dead achievements

Left 4 Dead

4.2 from 98 votes

There are a maximum of 73 Left 4 Dead achievements worth 1,609

2,746 tracked gamers have this game, 66 have completed it (2.40%)

Achievement Details

OUTBREAK in Left 4 Dead


Catch a rare strain of infection, then pass it on to someone else.

  • Unlocked by 1,360 tracked gamers (50% - TSA Ratio = 1.42) 2,746  

Achievement Guide for OUTBREAK

Achievement won on 10 May 16
TSA Score for this game: 547
Posted on 10 May 16 at 19:30
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This is a unique viral achievement.

You need to be playing in versus mode and be puked on by a Boomer (Non-AI) who has this achievement already.
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