VGSources / Games / Valve Corporation
Free to play · shooter game
Alien Swarm
By Valve Corporation, released 1 Jan 2010
- Microsoft Windows
- science fiction video game
What it is
Alien Swarm is a free, top-down cooperative shooter from Valve Corporation, built around squads fighting an alien infestation. Players can team up in four-player co-op, choose among four marine classes and eight characters, and configure weapons and equipment for different loadouts. The campaign moves through an overrun off-world colony, from an icy surface to a lava-flooded mining facility. The release also includes the game’s code base and Source SDK, along with a tile-based map generation tool. It supports single-player as well as multiplayer co-op, and includes matchmaking, Steam Cloud, Steam Stats, and achievements. Other listed features include captions, adjustable difficulty, custom volume controls, color alternatives, and camera comfort options. Alien Swarm is listed for Windows, with Action and Free To Play as its Steam genres.
What players like, and what they don't
- Free to play.
- Four-player co-op with four marine classes.
- Includes Source SDK and complete game code.
- Includes a tile-based map generation tool.
- Listed for Windows only.
- Its co-op squad size is four players.
Who it suits
It suits players who want a free co-op shooter with squad tactics, or who are interested in its included code base and mod tools. The single-player option also suits players who want to play alone.
Alien Swarm combines squad-based co-op action with tools for making maps and working with its code. Its Windows listing and four-player team format are useful to keep in mind.





