• Alien Swarm PC cover art
  • Alien Swarm PC gameplay screenshot 1 of 10
  • Alien Swarm PC gameplay screenshot 10 of 10

Alien Swarm PC Price Comparison

Alien Swarm is free to play on PC. Play it through Steam.

Compare Alien Swarm Prices Across Stores

Alien Swarm Specs & Game Info

Alien Swarm System Requirements

CPUPentium 4 3.0GHz
Memory1 GB for XP / 2GB for Vista
GraphicsDirectX 9 compatible video card with 128 MB, Shader model 2.0. ATI X800, NVidia 6600 or better
CPUIntel core 2 duo 2.4GHz
Memory1 GB for XP / 2GB for Vista
GraphicsDirectX 9 compatible video card with Shader model 3.0. NVidia 7600, ATI X1600 or better

Alien Swarm Achievements

66 Total Achievements on Steam
Achievement - Clear FiringClear Firing
Achievement - Short Controlled BurstsShort Controlled Bursts
Achievement - Shield DownShield Down
Achievement - Blast RadiusBlast Radius
Achievement - SharpshooterSharpshooter
Achievement - PerfectPerfect
Achievement - Scrambled EggsScrambled Eggs
Achievement - Bug StomperBug Stomper
Achievement - Parasite PuncherParasite Puncher
Achievement - Close EncountersClose Encounters

Alien Swarm Steam Stats

Alien Swarm is rated Playable on Steam Deck.

Steam Deck
Playable
Active Players

How Long to Beat Alien Swarm

Alien Swarm takes about 3 hours to beat, or 17 hours to complete everything.

Main Story
3 hours
Main Story + Extra
11 hours
Completionist
17 hours
Source: HowLongToBeat

Alien Swarm Supported Languages

Alien Swarm supports 1 language.

Interface and audio languages for Alien Swarm
LanguageInterfaceAudio
EnglishYesNo

Alien Swarm Ratings

84

Highly rated

Alien Swarm scores 84/100 from 114 player reviews across 2 sources.
MetaCritic Logo
Metacritic
77/100
Steam Logo
Steam114 reviews
Very Positive

About Alien Swarm

Combat takes place from a top-down tactical perspective where teams fight alien infestations across icy surfaces and lava facilities. Players select from four distinct marine classes to form co-op squads or engage in single-player modes. Users access over forty weapons with many loadout options while navigating these environments. Map generation tools allow creation of tile-based environments for custom play. The main story lasts 3 hours, extending to 11 hours with extras and reaching 17 hours as a completionist run. Source engine updates include improved shadows and depth of field. Steam integration provides matchmaking, cloud saves, and achievement tracking. The game runs on Steam Deck with a Playable rating. Valve made and published the game.Read more

Alien Swarm Details

Platforms
Release Date
  • 7/19/2010

Developers
Publishers
System
Features
Genres

Age Rating

M - Age Rating Logo
Realistic Blood and GoreRealistic ViolenceLanguage

Alien Swarm Buying and Gameplay FAQs

Is Alien Swarm free to play?

Yes, Alien Swarm is free to play on PC and available from Steam.

Does Alien Swarm have multiplayer?

Yes, Alien Swarm has multiplayer, including co-op.

Does Alien Swarm have co-op?

Yes, Alien Swarm supports co-op.

Can you play Alien Swarm single-player?

Yes, Alien Swarm can be played single-player as well as in multiplayer and co-op.

Can I play Alien Swarm on Steam Deck?

Yes. Alien Swarm is rated Playable on Steam Deck. It runs, but Valve's “Playable” rating means you may need some manual tweaks, such as adjusting settings or using the on-screen keyboard.

What platforms is Alien Swarm available on?

Alien Swarm is available on PC.

How long does it take to beat Alien Swarm?

Alien Swarm takes about 3 hours to beat, or 11 hours with extras and 17 hours to complete everything.

When did Alien Swarm come out?

Alien Swarm was released on July 19, 2010.

What are the system requirements for Alien Swarm?

Minimum on Windows: Pentium 4 3.0GHz CPU, DirectX 9 compatible video card with 128 MB, Shader model 2.0. ATI X800, NVidia 6600 or better graphics, 1 GB for XP / 2GB for Vista. Recommended on Windows: Intel core 2 duo 2.4GHz CPU, DirectX 9 compatible video card with Shader model 3.0. NVidia 7600, ATI X1600 or better graphics, 1 GB for XP / 2GB for Vista.

What age rating is Alien Swarm?

Alien Swarm is rated M (Mature 17+) for Realistic Blood and Gore, Realistic Violence, and Language.

What languages does Alien Swarm support?

Alien Swarm supports English.

Who developed Alien Swarm?

Alien Swarm was developed by Valve.

What are the review scores for Alien Swarm?

Alien Swarm has 77/100 on Metacritic and a Steam rating of Very Positive from 114 reviews.

How many achievements does Alien Swarm have?

Alien Swarm has 66 Steam achievements.

More Games from the Makers of Alien Swarm

Alien Swarm Patch Notes And Updates

This website uses cookies to enhance your browsing experience, analyze site traffic, and personalize content. By using this site, you agree to the use of cookies.