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Alien Swarm
Electro-Stunned Achievement win
Gamer Achievement Win
Alien Swarm
1,732
66
3.17
9,552
400 (4%)
Game action
2 want to boost
Here is the full list of all 66 Alien Swarm achievements.
Electro-Stunned
Stun 6 Swarm with a single Stun Grenade.
Locked
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