PCGame

Alien Swarm

Free top-down co-op shooter with marine classes and squad tactics

Valve · Released Jul 19, 2010

ActionFree To Play

Reviews
Very Positive
95% of 22K
Recent reviews
Very Positive
94% of 36 in 30 days
Playing now
10
right now
Steam Deck
Playable
Last update
6 years ago
Aug 18, 2020

Metacritic: 77/100 (critic reviews)

What is Alien Swarm?

Alien Swarm is a free top-down shooter set in an off-world colony overrun by aliens. In missions, marine squads choose from four classes, equip weapons and gear, and clear aliens from the icy surface and an underground mining facility.

For you if...

  • +you enjoy class-based top-down shooting with squad tactics
  • +you like replaying missions at higher difficulty settings

Not for you if...

  • you prefer first-person aiming to a top-down view
  • you prefer playing alone to working with a squad

What players say

95% of 21,632 reviews are positive · 94% of 36 in the last 30 days

Players praise playing with friends and trying different weapon loadouts. They complain that public lobbies are scarce and the campaign has limited content; some recommend Reactive Drop instead.

Screenshots and trailer

Alien Swarm

Alien Swarm system requirements

As published by the developer.

Minimum

OS
Windows® 7 / Vista / Vista64 / XP
Processor
Pentium 4 3.0GHz
Graphics
DirectX 9 compatible video card with 128 MB, Shader model 2.0. ATI X800, NVidia 6600 or better
Memory
1 GB for XP / 2GB for Vista
Storage
At least 2.5 GB of free space

Recommended

OS
Windows® 7 / Vista / Vista64 / XP
Processor
Intel core 2 duo 2.4GHz
Graphics
DirectX 9 compatible video card with Shader model 3.0. NVidia 7600, ATI X1600 or better
Memory
1 GB for XP / 2GB for Vista
Storage
At least 2.5 GB of free space

PC version details

DRM, required accounts, controller support and Steam features.

DRM
None declared on Steam
Controller
Keyboard and mouse
Platforms
Windows
Achievements
66
Steam features
Cloud saves, Family Sharing

Steam Deck: Playable

  • Default controller config not fully functional
  • Sometimes shows mouse, keyboard or non-Deck controller icons
  • Some text entry requires manually opening the on-screen keyboard
  • Some in-game text is small and may be hard to read
  • The native resolution is not the default one
  • Default graphics settings perform well on Steam Deck

Multiplayer and co-op

Languages

Text only: English.

Tags

Recent updates

Games like Alien Swarm