User Score
8.3

Generally favorable reviews- based on 395 Ratings

User score distribution:
  1. Negative: 17 out of 395

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  1. Sep 27, 2010
    3
    This game had the potential to be really great but with valve's continued use of their "matchmaking" software you are not likely to join a server that has a great ping and your options on what maps / settings you play with are almost non existant.

    At least the game is Free and you have more choice than you get with MW2.
  2. Aug 28, 2010
    0
    I hate this game. Friendly fire ruins anything it had going for it. The game lags uncontrollably at multiple areas. A horrible mark on VALVe's record but i guess its free so that makes up for it... kinda
Metascore
77

Generally favorable reviews - based on 11 Critics

Critic score distribution:
  1. Positive: 8 out of 11
  2. Negative: 0 out of 11
  1. Addictive. Fun. Community driven. Free. Where can it go wrong?
  2. Simply put, anyone with a capable PC should download this and try it.
  3. Despite the issues of repetition and somewhat contrary design choices, Alien Swarm is an enjoyable shooter at an absolute steal of a non-price.