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Alien Swarm
Autogun Expert Achievement win
Gamer Achievement Win
Alien Swarm
1,727
66
3.17
9,566
398 (4%)
Game action
2 want to boost
Submit game genres
Here is the full list of all 66 Alien Swarm achievements.
Autogun Expert
Kill 250 Swarm with an Autogun.
24 November 2011 -
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