Alien Swarm similar games & best alternatives

Alien Swarm

PC (Microsoft Windows) • 2010

Should you play it?

Co-operative multiplayer game and complete code base available for free.

What works

  • Free to play
  • Strong cooperative gameplay
  • Class variety and customization
  • Active modding community and sdk
  • Challenging and rewarding progression

Things to keep in mind

  • Short official campaign
  • Small player base currently
  • Lack of official updates
  • Limited enemy variety
  • No controller support

What to play next

Top picks

Games that feels the closest overall

  • The Red Solstice

  • Killing Floor

  • Gloomhaven

  • Shape of Dreams: Prologue

  • Ravenswatch

  • HELLDIVERS™ Dive Harder Edition

More competitive

Games that feels like Alien Swarm but with more competition against others

  • Marvel Rivals

  • Dystopia

  • Assault Android Cactus+

  • Madballs in Babo:Invasion

  • SUPERVIVE

  • Natural Selection 2

Less intimate

Games that feels like Alien Swarm but with less focus on close relationships

  • Shadowgrounds

  • Solstice Chronicles: MIA

  • Wasteland 3

  • Serious Sam: Siberian Mayhem

  • The Ascent

  • Danger Scavenger

More relaxing

Games that feels like Alien Swarm but with a more relaxing feel

  • Livelock

  • Spiral Knights

  • Gatewalkers (Alpha)

  • Shape of Dreams

  • Demeo

  • SYNTHETIK: Arena

Choose your own criteria ->

From the same developer

From the same developer, ranked by motivational fit.

  • Team Fortress 2

  • Left 4 Dead

  • Left 4 Dead 2

  • Dota 2

  • Portal 2

Similarity map

How to use the graph

Similarity map

Each dot is a game placed from its motivation profile relative to this page’s game. Direction shows which motivation differs most; distance along that axis shows how large the gap is.

  • Purple star: this page’s game at the centre — everything is relative to it.
  • Direction: each axis is a main motivational difference vs this game (e.g. more / less competitive).
  • Distance on an axis: how large that difference is (ring scales show +/− points).
  • Coloured chips: click to highlight games that mainly differ on that motivation; click again to reset.
  • Dotted line: link between this page’s game and the one selected for comparison.
  • Hover a dot to preview that game in the panel on the right; click to keep that comparison.
  • Scroll or double-click the chart to zoom.

How to read the map This is a polar difference map: direction = which motivation differs, and distance = how much (same units as the sidebar deltas).

Alien Swarm: A very typical example of its motivational profile. Motivations that often define this kind of title include Cooperation, Fellowship, Intimacy, Leadership. Here, the score leans higher than usual among comparable games on Status, Violence. It leans lower than usual among comparable games on Relaxation.

Last update: 04/08/2026