Live list · updated 3 Nov 2026

Sci-fi co-op games

Starships, alien worlds and machines, with your squad beside you: science fiction to explore, fight and survive in together. Each page says how many of you can crew up, online or on one screen, and on which platforms.

  • 138 games
  • 22 on sale today
  • 6 free

Pick one for us of these 138Filter this list

Most played first

Studio

Among Us

Survival · Party

+112–15 players

PC · PS5 · Xbox · Switch · Mobile

$4.99 92% on Steam

Studio

Portal 2

Platformer · Puzzle · Shooter

2 players

PC · Linux

$9.99 99% on Steam

Community

ASTRONEER

Survival · Building & crafting · Adventure

2–4 players

PC · PS5 · Xbox · Switch

$29.99 92% on Steam

Community

Barotrauma

Survival · Horror · Simulation

+122–16 players

PC · Mac · Linux

$34.99 94% on Steam

Studio

OUTRIDERS

Shooter · RPG · Action

2–3 players

PC · PS5 · Xbox

$19.99 67% on Steam

Community

Pacify

Horror · Party · Strategy

+32–7 players

PC · Mac

$4.99 87% on Steam

Studio-80%

Generation Zero

Survival · Shooter · Action

2–4 players

PC · PS5 · Xbox

$24.99$4.99 72% on Steam

Community

The Ascent

Shooter · RPG · Action

2–4 players

PC · PS5 · Xbox

$29.99 74% on Steam

See all 138, with filters

Questions groups ask

Which sci-fi co-op games are played the most?

HELLDIVERS 2, Among Us and Lethal Company lead the 138 here by Steam reviews, the order this list is in.

Are any sci-fi co-op games free?

6 of them are free to play, so nobody in the group has to buy a copy. Show them

Are any sci-fi co-op games on sale right now?

22 are discounted today. Steam prices are checked every day. Show them

Can you play sci-fi co-op games on one screen?

34 can be played together on one screen, and 10 split it so each player gets their own view. Show them

Which platforms are sci-fi co-op games on?

PC 138, PS5 50, Xbox 39, Switch 34 and Mobile 8; many are on more than one.

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