Alien Swarm
Developed by Valve · Published by Valve
At a glance
Overview
An action, free to play game by Valve, published by Valve — single-player, multi-player, co-op.
Steam’s own one-line description: “Co-operative multiplayer game and complete code base available for free.” — developer/publisher text via the Steam store page.
Features & modes
Derived from the gameplay modes and feature categories Steam lists for Alien Swarm.
| Feature | Supported |
|---|---|
| Single-player | Yes |
| Multiplayer | Yes |
| Co-op | Yes |
| Online co-op | No |
| PvP | No |
| Cross-platform multiplayer | No |
| Full controller support | No |
| Partial controller support | No |
| Steam Cloud saves | Yes |
| Steam Achievements | Yes |
System requirements (PC)
As published on the Steam store page. Requirements can change between updates.
Minimum
- OS *: Windows® 7 / Vista / Vista64 / XP
- Processor: Pentium 4 3.0GHz
- Memory: 1 GB for XP / 2GB for Vista
- Graphics: DirectX 9 compatible video card with 128 MB, Shader model 2.0. ATI X800, NVidia 6600 or better
- Hard Drive: At least 2.5 GB of free space
- Sound: DirectX 9.0c compatible sound card
Recommended
- OS *: Windows® 7 / Vista / Vista64 / XP
- Processor: Intel core 2 duo 2.4GHz
- Memory: 1 GB for XP / 2GB for Vista
- Graphics: DirectX 9 compatible video card with Shader model 3.0. NVidia 7600, ATI X1600 or better
- Hard Drive: At least 2.5 GB of free space
- Sound: DirectX 9.0c compatible sound card
Supported languages (1)
Alien Swarm FAQ
Answered from the official Steam listing as of June 2026. Where something hasn't been announced, we say so rather than guess.
What kind of game is Alien Swarm?
Steam classifies Alien Swarm as a Action, Free To Play game, developed by Valve. Co-operative multiplayer game and complete code base available for free.
Is Alien Swarm free to play?
Yes — Steam lists Alien Swarm as Free to Play.
Is Alien Swarm single-player or multiplayer?
Steam lists these modes for Alien Swarm: Single-player, Multi-player, Co-op. It supports both solo and multiplayer.
Is Alien Swarm on PlayStation, Xbox, or Switch?
Our data comes from the Steam (PC) store, which lists Alien Swarm for Windows. Console availability isn’t in our Steam-sourced data — check the official site or the console store.
Is Alien Swarm out yet?
Yes — Steam lists a release date of Jul 19, 2010.
What platforms is Alien Swarm on?
Alien Swarm is listed for Windows on the Steam (PC) store. Console availability isn't covered by Steam's PC store data — check the official channels.
Is Alien Swarm single-player or multiplayer?
Steam lists these modes: Single-player, Multi-player, Co-op.
How much does Alien Swarm cost?
It's free to play, per Steam.
Does Alien Swarm have achievements?
Yes — Steam lists 66 achievements for Alien Swarm.
What is Alien Swarm's Metacritic score?
Alien Swarm has a Metacritic score of 77/100, per the Steam store listing.
Who made Alien Swarm?
Alien Swarm is developed by Valve and published by Valve.
Where to get Alien Swarm
We don't sell games or track prices — this links to the official Steam store page.
View on Steam →Listing details from Valve's public Steam store data · official site. Not affiliated with Valve/Steam, Valve.