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54% positive of 50 ยท Mixed ยท Live from Steam
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Alien 911 is a hybrid 3rd-person shooter tower defense game that you can play solo or multiplayer. Aliens in distress from around the universe call Alien-911 for help when they're being attacked. Fans of Orcs Must Die, Sanctum, Dungeon Defenders, we invite you to try our twist on the genre.
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Review score: 54% on 2026-11-03 โ 54% today (50 reviews)
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Not tested by Valve yet. Results from Valve's own testing.
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Every build released on Steam for this game since we started tracking it, with the developer's patch notes. Updated within minutes of each new build.
Recently we've detected some problems with logging into the game, and they have been fixed with the newest patch. Please, update to defend helpless Friendly Aliens!
Unfortunately, due to financial constraints, we've had to reach the difficult decision of shutting down our game servers. At the end of this month, the game will no longer be available and all servers will go offline. Thank you to all our community for all of โฆ
Alien 911 will be completely free. We plan to make the pricing change in the coming weeks.