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Alien Swarm
Small Arms Specialist Achievement win
Gamer Achievement Win
Alien Swarm
1,727
66
3.17
9,552
402 (4%)
Game action
2 want to boost
Submit game genres
Here is the full list of all 66 Alien Swarm achievements.
Small Arms Specialist
Kill 250 Swarm with PDWs.
29 October 2012 -
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