Online co-op Science games

Every online co-op Science game on Steam we know of, newest first. Add tags or a price band to narrow it down.

Showing 21–30 of 30 games matching Science · updated 12 Oct 2026

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$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
65% of 784

Ripout is an online Co-Op horror FPS that will have players fight their way through procedurally generated derelict ships filled with mutants capable of reconfiguring their alien bodies. Survive with your trusty Pet Gun companion, collect loot, and customize your character to fit your playstyle.

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$$
Released
Price
$$ · Standard
Players
👥 2–8 players
Reviews
90% of 887

eXplore, eXpand, eXploit, eXterminate, EXPRESS. All of the depth, diplomacy, conflict and conquest of a turn-based 4X epic but played in fast-paced 60-minute competitive sessions. Play Solo or Multiplayer for 2-8 players.

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$$$
Released
Price
$$$ · Expensive
Players
👥 Up to 4 players
Reviews
59% of 3,013

Embark on scientific expeditions with this new off-road adventure game. Lead research missions as you drive a variety of all-terrain vehicles, using high-tech tools and managing your camp and crew to ensure your success in the wild.

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$
Released
Price
$ · Cheap
Players
👥 Up to 8 players
Reviews
100% of 5

Project UNSEEK is a 2v6 class-based asymmetrical online multiplayer horror game inspired by 80s slasher horror movies, SCP urban legend, and Science Fiction, where you compete against each other to survive the experiment as High Schoolers or Mythical Creatures.

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Free
Released
Price
Free
Players
👥 Up to 4 players
Reviews
69% of 23

Work together with a partner to solve a series of non-Euclidean Escape Room puzzles to uncover the mystery behind the vanished crew of Outpost Rhea, a deep-space research facility experiencing strange spatial anomalies.

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
71% of 14

Turn-based tactical strategy with massive capital ships, frigates, gunships and fighter squads. Gather resources, research technologies, design and expand your fleet. Destroy your enemies. Single player and multi player mode, hot seat mod also available.

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