
SUBS: Sharks And Submarines
Submarines are falling from the sky and it’s up to you to destroy them.
Remember how retro and fast-paced S.U.B. felt at its best? These games could fill that gap nicely. You can bring friends along for most of these.
What'Sub is a 1–4+ player Co-op Extraction "Looter". Band together as a crew of rugged submarine pirates, on a deep-sea quest for power and glory! Loot the ocean for treasure, fulfill requests for the odd denizens of the Subyard, upgrade your submarine, and above all, dive deeper into The Well.
Also in Co-op · Fast-paced, Colorful, Replayable
Crew a submarine with friends in a Verne-inspired undersea roguelike. Pilot, patch leaks, load torpedoes and reroute power while sea monsters claw at the hull. Communication or perishing, those are the options. Chaotic, hand-drawn and endlessly replayable, with 19th-century outfits and non-gender-specific mustaches included.
Also in Co-op · Fast-paced, Colorful, Replayable
Explore abandoned biospheres at the bottom of the ocean, alone or with up to 4 friends.
Also in Co-op · Retro, Fast-paced, Replayable
A 1-6 player online co-op submarine sim where the crew is the weak point. Run sonar, pilot, load torpedoes and fight fires while your friends shout over proximity chat. Missions, treasure hunts, stealth runs and PvP, with sinking always one wrong button away.
Also in Co-op · Chaotic, Tense
Submarines are falling from the sky and it’s up to you to destroy them. Leap from the water, smash helicopters out of the air, purchase and equip unique and dangerous upgrades from the shop, and send your enemies some torpedoes (or lasers).
Also in Co-op · Retro, Fast-paced, Colorful
Pilot a blind submarine to the bottom of the sea, swim into abandoned labs full of corpses, and shred every last piece of evidence for Pharma Corps. Up to 8 players, dwindling oxygen, and things in the dark that would rather you didn't finish the job.
Also in Co-op · Fast-paced, Replayable, Chaotic
Darkwater is a co-op extraction horror game for 1 to 4 players. Command a custom submarine trapped beneath the ice of an alien moon, fight enemy vessels and deep-sea things with too many teeth, and scavenge abandoned outposts for the fuel that keeps you alive.
Also in Co-op · Fast-paced, Replayable, Chaotic
Subsurface is a 1–4 player co-op underwater horror game. Explore abandoned facilities, scavenge valuable loot, and survive eight terrifying monsters while racing against your oxygen supply. Meet your quota, escape the depths, and try not to leave your friends behind.
Also in Co-op · Replayable, Tense
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.
Also in Co-op and Duo · Fast-paced, Tense
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.
Also in Co-op · Fast-paced, Tense
A deep-sea exploration company sends you and your friends to investigate a research facility that has mysteriously gone silent. Face terrifying events together, survive as a team, and uncover the truth hidden within the depths.
Also in Co-op · Tense
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.
Also in Co-op

Submarines are falling from the sky and it’s up to you to destroy them.

Explore the depths of the ocean filled with dangerous inhabitants.

Water is flooding the world. Build your own way to climb higher and higher. Maybe there is a chance of survival after all. Give yourself a try!

Underwater hunting: Plunge into the underwater world. Your character-a small fish piranha.

Water is flooding the world. Build your own way to climb higher and higher. Maybe there is a chance of survival after all. Give yourself a try!

ROAD HOMEWARD 3: underwater world is an adventure in which you and your team need to find a way out of the cave in order to get home.

Bore deep below the earth's surface in your all-terrain mining vehicle.

When the research team from the classified Soviet organization known as O.D.I.S.E.A. went radio silent during an expedition deep beneath the Earth…

Pilot a mining mech through colorful underground layers, selling minerals and upgrading your drill at your own pace, alone or with friends.

The party co-op shoot ’em up! Become the king of the night club! Go alone or group your friends! Shoot the party crashers down!

Guide a fire sprite and a water sprite through trap-filled temple rooms, flipping levers and timing jumps so both reach their own door.

Guide Fireboy and Watergirl through tricky temple puzzles, alone or side by side with a friend.

FULL METAL COFFIN is a 3D co-op submarine simulator. Crew your vessel with up to 4 players.

Run a submarine with your friends, where every valve, torpedo and fire drill can go hilariously wrong.

Trapped in a sinking submarine, two players must communicate through walkie-talkies to solve puzzles, complete tasks, navigate the depths, and…

Explore abandoned biospheres at the bottom of the ocean, alone or with up to 4 friends.

Pilot a submarine through a frozen alien sea with your crew, fighting what swims out of the dark and scavenging for the fuel to keep going.

Team up with a friend to reach a lost submarine and prevent the outbreak of war.

A co-op horror job at the bottom of the sea: dive into sunken labs with up to eight friends, destroy what Pharma Corps wants gone, and hope the dark…

You crew a World War 2 submarine in VR, from the torpedo tubes to the engine room, alone or with friends.

Dive into the Ocean Keeper – a cooperative roguelike where four survival miners defend their Mech Spider, fight with endless hordes of monsters, and…

Scan alien life, build a base and follow the CICADA's hidden signals into the deep, alone or with friends.

Pump the water out, patch the hull and keep the reactor alive while something hunts your crew in the dark, with friends or strangers at your side.

Lead a rescue team into flooded tunnels, run drones and heavy machinery, and find out what happened to the crew that vanished down there.

What'Sub is a 1–4+ player Co-op Extraction "Looter". Band together as a crew of rugged submarine pirates, on a deep-sea quest for power and glory!

ABYSS is a challenging multiplayer co-op horror game where you and your crewmates must operate an old submarine through narrow trenches, scavenging…

Run a submarine with your friends, where every valve, torpedo and fire drill can go hilariously wrong.

BIO-SUBMARINER DX is a horizontally-scrolling Shoot 'Em Up, Chomp 'Em Up developed for Game Boy Color!

Dive into an unforgiving underwater nightmare alone or with friends! Complete deadly missions for the Union in the terrifying depths of Gornak.

In Underwater Duo, control a smashing turtle with your left hand and a blasting jellyfish with your right!

FULL METAL COFFIN is a 3D co-op submarine simulator. Crew your vessel with up to 4 players.

Scan alien life, build a base and follow the CICADA's hidden signals into the deep, alone or with friends.

Pilot a submarine through a frozen alien sea with your crew, fighting what swims out of the dark and scavenging for the fuel to keep going.

Piece of Ship is a chaotic co-op for 1-4 players where survival is optional, but company loyalty is mandatory.

Dive into the Ocean Keeper – a cooperative roguelike where four survival miners defend their Mech Spider, fight with endless hordes of monsters, and…

Subterranauts is a 1-6 player multiplayer horror game with proximity voice chat and terrifying creatures.