Alien Swarm
Co-operative multiplayer game and complete code base available for free.
94.8Rating
0Content
66Achievements
About This Game
Alien Swarm is a action/free to play game with both single-player and multiplayer modes, developed by Valve and released in 2010. With 21.5k reviews on Steam, it stands as one of the more actively reviewed titles on Steam. Community ratings across Steam average 94.8/100 — a exceptional reception overall. According to player data, the main story takes around 3.5 hours, with side content bringing that to 11.2 hours, and a completionist run can reach 20.01 hours. Players commonly describe it as Free to Play, Co-op, Action, Multiplayer and Online Co-Op.
Media
User Reviews
94.8
Overall Score / 100
9.5/10
Steam (21484 rev)
Playtime Estimates
3.5h
🎯 Main Story
11.2h
⭐ Main + Sides
20.01h
💯 Completionist
Based on 2 player submissions
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Game Information
Release Date
July 19, 2010
Developer
Valve
Publisher
Valve
Platforms
Windows
Price
Free to Play
Analytics & Metrics
Free to Play Analytics Unavailable
VISE and VRI models are built on purchase-based data and do not apply to free-to-play titles.
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Genres & Categories
Genres
Action
Free To Play
Categories
Single-player
Multi-player
Co-op
Steam Achievements
Captions available
Camera Comfort
Color Alternatives
Custom Volume Controls
Adjustable Difficulty
Stereo Sound
Surround Sound
Steam Cloud
Stats
Includes level editor
Tags
Free to Play
Co-op
Action
Multiplayer
Online Co-Op
Aliens
Shooter
Sci-fi
Top-Down
Top-Down Shooter
Survival
PvE
Class-Based
Third Person
Team-Based
Third-Person Shooter
Moddable
Singleplayer
Strategy
Adventure
Supported Languages
Text Only
English
System Requirements
🪟 Windows
Minimum
Recommended
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