Alien Swarm
gameappid 630 · released Jul 19, 2010
Co-operative multiplayer game and complete code base available for free.
Price
Free
Lowest ever
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Players now
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24h peak
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All-time peak
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Reviews
95%of 21,623
Concurrent players
Sampled roughly every 15 minutes and aggregated on read.
No player samples recorded in this range yet. Watchlisted and top-ranked apps are polled most often.