Alien Swarm
Alien Swarm
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Alien Swarm is an action and Free To Play game developed and published by Valve, released on 19 July 2010.
Co-operative multiplayer game and complete code base available for free.
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FAQ
How long does it take to beat Alien Swarm?
Main story: 3h 27m; Main + extras: 10h 42m; Completionist: 19h 15m.
What platforms is Alien Swarm available on?
Alien Swarm is available on PC, Windows.
When was Alien Swarm released?
Alien Swarm was released on 19 July 2010, developed by Valve.