Online co-op Submarine games

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

Showing 1–10 of 21 games matching Submarine Β· updated 12 Oct 2026

Filters: Submarine Γ— Clear all
$
Released
Price
$ Β· Cheap
Players
πŸ‘₯ Not stated
Reviews
100% of 3

Dive into an unforgiving underwater nightmare alone or with friends! Complete deadly missions for the Union in the terrifying depths of Gornak. Repair broken pipes, replace defective equipment, and gather scattered body parts to pay off your debt... if the local fauna doesn't get you first.

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$
Released
Price
$ Β· Cheap
Players
πŸ‘₯ Up to 4 players
Reviews
94% of 142

FULL METAL COFFIN is a 3D co-op submarine simulator. Crew your vessel with up to 4 players. Load the torpedoes, dodge incoming fire, and eliminate the enemy.

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$
Released
Price
$ Β· Cheap
Players
πŸ‘₯ 2–4 players
Reviews
100% of 1

Catmarine is a 2-4 player co-operative, chaotic, typing game. Type to navigate through an ocean world with your cat submarine, the Catmarine! Use the various terminals inside of the Catmarine to maneuver it and to defend against oceanic dangers. Communicate, collaborate, and type as fast as you can!

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$
Released
Price
$ Β· Cheap
Players
πŸ‘₯ 1–4 players
Reviews
77% of 995

Darkwater is a cooperative extraction horror game for 1-4 players. Command a submarine trapped under the ice of an alien planet. Battle enemy vessels and deep sea abominations as you hunt for resources. Do what it takes to survive.

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$
Released
Price
$ Β· Cheap
Players
πŸ‘₯ Up to 5 players
Reviews
62% of 8

It's simple. Operate your submarine through challenging tight cave systems to collect the target, while not scratching the cave walls under suboptimal conditions. Navigate carefully and consider every move in this slow pace, athmospheric, multiplayer, submarine simulation-lite.

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$
Released
Price
$ Β· Cheap
Players
πŸ‘₯ 1–4 players
Reviews
80% of 5

Piece of Ship is a chaotic co-op for 1-4 players where survival is optional, but company loyalty is mandatory. Grab the singular wrench, patch the cracks with tape, and try to keep this bucket afloat! Remember: asking questions about the mission objective is strictly forbidden.

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Free
Released
Price
Free
Players
πŸ‘₯ Not stated
Reviews
46% of 49

Engage in thrilling online naval battles with historical warships in PvP(12vs12) action game! Take command of legendary warships and compete against players worldwide in epic naval battles!

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Free
Released
Price
Free
Players
πŸ‘₯ Not stated
Reviews
87% of 173

Trapped in a sinking submarine, two players must communicate through walkie-talkies to solve puzzles, complete tasks, navigate the depths, and escape before time runs out.

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$$
Released
Price
$$ Β· Standard
Players
πŸ‘₯ Up to 4 players
Reviews
84% of 5,089

Choose your loadout, blast through the corrupted denizens of a sunken civilization, and wield godly powers in Abyssus – a fast-paced 1-to-4 players FPS and roguelite brinepunk adventure.

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$
Released
Price
$ Β· Cheap
Players
πŸ‘₯ Up to 4 players
Reviews
66% of 3

A co-op submarine piloting horror game with asymmetrical elements where your survival is dependent on the effectiveness of communication between your crew and the efficient management of resources left behind by the old world.

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