Games Like Sync Or Sink

Work together to solve puzzles and escape a desert island in this stylized multiplayer co-op adventure. Success requires more than just you and your partner thinking alike - you'll have to communicate and stay In Sink to overcome the challenges ahead.

Why similar: Co-op 30.5%, Multiplayer 17.8%, First-Person 13.4%, Stylized 13.3%, Exploration 10.4%

Why You'll Like It: This game shares the exact core premise of two-player communication-based puzzle solving in an escape-room setting.

Lost in a frozen wasteland and split up from your partner inside an abandoned castle, the only possession you have left is a walkie-talkie with a familiar voice on the other end. Can the two of you find your way out in time?

Why similar: Co-op 32%, Multiplayer 15.7%, Psychological Horror 14.7%, Horror 8.9%, First-Person 6.4%

Why You'll Like It: It is the definitive experience for communication-dependent puzzle solving where players must describe their surroundings to one another.

Barotrauma is a 2D co-op submarine simulator – in space, with survival horror and RPG elements. Steer your submarine, complete missions, fight monsters, fix leaks, operate machinery, man the guns and craft items, and stay alert: danger in Barotrauma doesn’t announce itself!

Why similar: Co-op 31.8%, Submarine 25.9% ★, Multiplayer 16.7%, Underwater 10.4% ★, Horror 7.2%

Why You'll Like It: It offers the most authentic submarine management experience, requiring intense team coordination to survive underwater threats.

Find yourself trapped alone in a room with a ticking time bomb. Your friends have the manual to defuse it, but they can't see the bomb, so you're going to have to talk it out – fast!

Why similar: Co-op 51.1%, Team-Based 30.2%, Multiplayer 15.9%, Casual 2.8%

Why You'll Like It: This title perfectly captures the high-pressure communication dynamic where one player has the information and the other must execute the task.

Solo or up to 8 players. Get rid of your employer's failed experiments in abandoned underwater labs. Navigate your submarine, avoid abyssal terrors, and remove all corpses.

Why similar: Psychological Horror 20.5%, Multiplayer 17.8%, Underwater 13.9% ★, First-Person 12.4%, Horror 10%

Why You'll Like It: It combines underwater exploration with chaotic co-op horror, forcing players to work together in a dark, high-pressure environment.

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

Why similar: Submarine 16.8% ★, Co-op 12%, Multiplayer 11.8%, Psychological Horror 10%, First-Person 9.2%

Why You'll Like It: This co-op horror game leans into the first-person, team-based survival mechanics found in submarine-themed adventures.

If you scream, you and your entire team will die. You need to leave the dangerous forest before the timer runs out by either assembling a car or calling the police. If the set time expires, the entire team will perish. Time progresses when you move. Don't make the team wait for you!

Why similar: Co-op 13.4%, Action-Adventure 12.8%, Psychological Horror 12.3%, Multiplayer 11.2%, 1990's 9.1%

Why You'll Like It: This horror title forces players to maintain communication and silence to avoid detection, mirroring the tension of Sync Or Sink.

It takes two to save the world in this cooperative spy adventure. Pair up with a friend as Agent or Hacker—with only your voices to connect you—and work together to bring a hi-tech global menace to its knees. Now with a FREE CONTENT UPDATE!

Why similar: Co-op 45.3%, Multiplayer 22.4%, First-Person 10%, Stylized 9.1%, 3D 7.2%

Why You'll Like It: This game relies heavily on asymmetric communication between two players to solve complex puzzles in a high-stakes environment.

The Past Within is the new co-op experience from Rusty Lake! Play together with someone you deem trustworthy: one in The Past, the other in The Future. Observe and communicate what you see around you. Solve the puzzles and uncover Albert Vanderboom’s plan.

Why similar: Co-op 61.9%, Multiplayer 17.4%, Psychological Horror 9%, Horror 8.2%, Atmospheric 2%

Why You'll Like It: A unique co-op puzzle game that requires two players to view the same environment from different perspectives and communicate to progress.

A short horror game where you pilot a tiny submarine through an ocean of blood on an alien moon.

Why similar: Submarine 25.6% ★, Psychological Horror 19.6%, Underwater 11.8% ★, Horror 10%, Dark 8.2%

Why You'll Like It: This game captures the claustrophobic, terrifying essence of being trapped in a tiny submarine with limited visibility and mounting dread.

Avoid your watery grave in this asymmetrical co-op horror game where you and a friend take the roles of a submarine Pilot and Mechanic. Work together to repair the ship, solve puzzles, avoid a deadly creature, and make it back to the surface before time runs out! It's time to Sync or Swim

Why similar: Cold War 35.6% ★, Submarine 22.7% ★, Underwater 10.2% ★, Co-op 8.9%, 3D 6.4%

Why You'll Like It: It emphasizes time-management and puzzle-solving under pressure, which are key components of the submarine survival loop.

Phasmophobia is a 4 player online co-op psychological horror. Paranormal activity is on the rise and it’s up to you and your team to use all the ghost-hunting equipment at your disposal in order to gather as much evidence as you can.

Why similar: Co-op 22.6%, Psychological Horror 20.6%, Multiplayer 19.1%, Horror 17.8%, Dark 8.1%

Why You'll Like It: Communication is the primary mechanic for survival, as players must coordinate their equipment and findings to survive supernatural encounters.

Chained in the Backrooms is a 1-4 player co-op, mission-based horror game. Trapped in a blurry subconscious and chained together, toy bears must solve puzzles, complete challenging missions, and survive against creatures trying to destroy them.

Why similar: Team-Based 26.3%, Co-op 13.3%, Action-Adventure 10%, Dark 9%, Multiplayer 7.4%

Why You'll Like It: This co-op horror title focuses on team-based navigation and puzzle solving in a confined, terrifying space.

A co-op horror about scavenging at abandoned moons to sell scrap to the Company.

Why similar: Co-op 29.6%, Psychological Horror 18.7%, Horror 13.7%, First-Person 13.5%, Exploration 9.1%

Why You'll Like It: The game emphasizes proximity voice chat and team coordination to survive dangerous, dark environments while completing objectives.

In Aphotic Descent, you play as a diver whose submarine crashed at the bottom of the ocean. With no other option for survival, you must make your way to a nearby underwater research facility facing terrifying creatures, all while descending deeper and deeper...

Why similar: Action-Adventure 21.7%, Underwater 19.8% ★, First-Person 14.1%, Exploration 12.2%, Horror 11.3%

Why You'll Like It: This game focuses on the atmospheric dread of underwater exploration, matching the dark, claustrophobic tone of the seed game.

A short first-person horror game. An accident cripples your submarine while trying to find the wreck of the Titanic. In the darkness, you must restore life-support systems through tense puzzles, only to discover that you are not alone.

Why similar: Submarine 24.8% ★, Psychological Horror 22.3%, Horror 11.2%, Underwater 10.6% ★, Dark 9.2%

Why You'll Like It: A short, atmospheric horror game that captures the specific anxiety of being trapped in a sinking, water-filled environment.

You and your friend are trapped in a mystical world. As time ebbs away you must solve increasingly complex puzzles to escape. Cooperation is key as neither of you have the full picture! Play on two devices, local or remotely, all you need is a voice connection.

Why similar: Co-op 58.2%, Multiplayer 15.7%, Psychological Horror 11.2%, Casual 5.4%, Horror 5%

Why You'll Like It: A brilliant asymmetric puzzle game where two players must share information across different timelines to solve a mystery.

Survive the world's deadliest psychopaths. Experience a unique 2-player co-op experience that puts your teamwork and communication to the test. Complete your duties alone or with a partner in a prison like no other.

Why similar: Co-op 20.8%, Psychological Horror 16.4%, Action-Adventure 12.8%, First-Person 10.3%, Stylized 9.2%

Why You'll Like It: A co-op horror experience that requires players to stay in sync to survive against overwhelming odds.

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.

Why similar: Submarine 23.7% ★, Co-op 20.6%, Multiplayer 12.4%, Action-Adventure 11.1%, Underwater 10.4% ★

Why You'll Like It: This game directly addresses the submarine survival niche with a focus on co-op horror and exploration.

First-person puzzler you can play solo or in an online co-op. Explore a set of highly interactive escape rooms. Move furniture, pick up and examine everything, smash pots and break locks! Play thousands of community-made rooms through the level editor.

Why similar: Co-op 52.9%, Multiplayer 26.6%, First-Person 13.2%, Exploration 4.1%, Casual 3.1%

Why You'll Like It: It provides a polished, cooperative escape-room experience that tests your ability to solve puzzles under time constraints.

Film your friends doing scary things to become SpöökTube famous! (strongly advised to not go alone)

Why similar: Co-op 27.2%, Multiplayer 17%, Psychological Horror 12.1%, Horror 11.9%, Exploration 11.5%

Why You'll Like It: It requires players to coordinate their movements and communication to survive horror scenarios while filming for an audience.

A visually lifelike co-op horror game for 1-6 people. Journey through 11 procedurally generated levels, using what's available to survive and progress deeper into the Backrooms.

Why similar: Co-op 20.7%, Multiplayer 18.5%, Psychological Horror 18.2%, Horror 9.8%, Action-Adventure 7.1%

Why You'll Like It: It offers a cooperative horror experience that relies on teamwork to navigate and escape a series of confined, psychological-horror levels.

A mysterious signal. A missing crew. And the one man trying to piece it all together. As Abe Douglas, dive deep into a fully underwater metroidvania to explore massive oceanic biomes, battle monstrous bosses, and piece together a mystery that threatens not only your crew, but your own sanity.

Why similar: Submarine 25.8% ★, Psychological Horror 15.7%, Underwater 13% ★, Dark 10.7%, Action-Adventure 9.6%

Why You'll Like It: A submarine-focused exploration game that captures the isolation and psychological horror of the deep sea.

Venture forth as part of a specialized team of fellow players tasked with retrieving classified materials, evading the black goo virus, and the nightmarish entities it has spawned. With time running out before the US government initiates a devastating nuclear strike to contain the spreading menace.

Why similar: Co-op 27.9%, Psychological Horror 17.2%, Multiplayer 11.3%, Horror 10.7%, First-Person 10.5%

Why You'll Like It: A first-person co-op horror game that requires tight coordination to survive against hostile forces.

Damned 2 is an asymmetrical multiplayer horror game where up to four survivors must work together to survive an unrelenting monster - either player or computer-controlled - while scavenging and solving puzzles in an attempt to escape.

Why similar: Team-Based 24.1%, Co-op 17.6%, Psychological Horror 14.1%, Multiplayer 9.7%, Action-Adventure 7.2%

Why You'll Like It: A survival-horror game that emphasizes co-op play and the psychological stress of being hunted in a dark environment.

Solitude Underwater is a short horror adventure game. Two treasure-hunting brothers are searching for sunken riches off the coast of South Africa, only to find themselves immersed in catastrophe after one of them gets trapped in a cage, deep inside shark-infested waters.

Why similar: Horror 17.4%, Action 16.5%, Dark 15.6%, Underwater 15% ★, First-Person 14.6%

Why You'll Like It: This title delivers a cinematic, action-heavy take on the dangers of deep-sea exploration.

A 1-3 player co-op puzzle horror game set in an accursed megastore. Work together to decode the store's twisted logic, and find a way out before the lurking horrors doom you to shop forever.

Why similar: Co-op 20.2%, Psychological Horror 14.2%, 1990's 11.9%, Dark 10.8%, Multiplayer 9.1%

Why You'll Like It: This co-op puzzle game forces players to work together to navigate and survive a series of increasingly difficult challenges.

You and your crew are sent in to assess reality in this 4-player co-op horror game. Memorize the environment. Spot disturbing anomalies. Decide if the timeline is safe. One bad call—and you’re forced to start over.

Why similar: Co-op 25%, Psychological Horror 20.4%, Multiplayer 14.7%, First-Person 10.5%, Horror 9%

Why You'll Like It: This game focuses on the psychological horror of co-op survival, requiring players to communicate to identify and avoid threats.

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.

Why similar: Co-op 20.9%, Psychological Horror 19.3%, Multiplayer 17.5%, Dark 10.7%, Horror 10.3%

Submarine’s haunted! Hunt and be hunted in this horror dungeon crawler inspired by the decay of the Soviet Union (and immersive RPGs from the 90s).

Why similar: Cold War 32.8% ★, Submarine 23.1% ★, First-Person 10.8%, Exploration 9.5%, Action 9.1%

Why You'll Like It: It blends FPS action with immersive-sim elements, providing a tense, underwater-themed experience.

Play an early version of the first level for free! Work together to solve the puzzles and escape a desert island in this multiplayer co-op adventure. Success requires more than just you and your partner thinking alike - you'll have to communicate and stay In Sink to overcome the challenges ahead.

Why similar: Multiplayer 31.2%, Co-op 31.1%, First-Person 11.4%, 3D 8.2%, Atmospheric 6.7%

Descend into Lovecraftian horror aboard a claustrophobic military submarine. Assign tasks as a captain’s right hand, analyze sonar signals, make hard decisions, and keep the crew from madness. Dark horrors lurk both within… and beyond the hull.

Why similar: Psychological Horror 22.3%, Submarine 18.2% ★, Dark 15.1%, Horror 9%, First-Person 8.5%

Dive into a world of despair in the world of Underwater. Take the role of an unknown inmate entering the a deep sea prison where mutants roam and barely any traces of human life remain. You will have to use all your ingenuity to escape and avoid becoming the meal of the hideous denizens.

Why similar: Psychological Horror 32.4%, Dark 19.9%, First-Person 18.2%, Atmospheric 13.3%, Exploration 10%

Why You'll Like It: A story-rich, atmospheric horror game that highlights the mystery and isolation of the deep ocean.

2-player asymmetrical co-op game, Follow Us is a hilarious and horrifying relationship stress test, where one player explores a spooky environment, while another guides them remotely from the van, trying to keep their partner alive.

Why similar: Co-op 27%, Action-Adventure 11.4%, First-Person 10.7%, Horror 10.4%, Stylized 9.2%

Operate an oil-drilling submarine while taking instructions from a mysterious voice. Fail your quota, and they’ll cut your oxygen. This is deep-sea horror. Obey or drown.

Why similar: Submarine 23.9% ★, Psychological Horror 18.9%, Dark 14.2%, Underwater 9.6% ★, First-Person 8%

Trapped and separated across two connected houses, you and your friend must use voice chat to solve puzzles from different perspectives. But beware, a blind presence is listening to your conversations. Your voice is your only way out.

Why similar: Co-op 30.3%, Multiplayer 21.6%, Dark 16.2%, Horror 12.9%, Action 7.8%

The year is 1997. Pilot a small submersible into the depths of the Pacific to investigate a massive sonar anomaly. Navigate by instruments, scan targets, and uncover something far older than it should be.

Why similar: Submarine 23.9% ★, Underwater 12.3% ★, Psychological Horror 11.9%, Exploration 9.9%, 1990's 9%

IT Simulator is a co-op horror game where two players attempt to return power to an office building. Take the role of the all-seeing Control Room or the stealthy Repair Technician as you risk everything to d̶i̶s̶c̶o̶v̶e̶r̶ ̶t̶h̶e̶ ̶t̶r̶u̶t̶h̶ escape.

Why similar: Co-op 23.8%, Multiplayer 19.6%, Horror 19.1%, First-Person 16.1%, Exploration 11.5%

You are some small-time journalists, exploited by your boss. When an abandoned Cold War-era shelter is discovered, your boss sends you there to do the story of a lifetime. Only you two will know what awaits you in there...

Why similar: Cold War 29.4% ★, Action-Adventure 13.6%, Dark 11.2%, First-Person 9%, Exploration 7.9%

A frantic co-op puzzle game where a Pilot and an Air Traffic Controller must communicate, decrypt, and improvise to save a failing aircraft. Talk fast, solve faster, and try not to crash.

Why similar: Co-op 30.8%, Team-Based 26.7%, Multiplayer 10.4%, Dark 8.5%, 3D 5%

Backrooms Lost Runners is a co-op survival horror with team play, voice-reactive AI, and immersive puzzles. This isn’t a “walking simulator”: explore liminal spaces, outsmart entities, and remember—even a whisper can give you away.

Why similar: Co-op 20.9%, Psychological Horror 15.8%, 1990's 15.3%, Dark 12.8%, Multiplayer 11%

Trapped in a doomed city, you and up to 7 friends must scavenge parts, fix your van, and escape the brutal tornado that approaches. A first-person co-op survival game with escalating disasters and total environmental destruction.

Why similar: Multiplayer 23.8%, First-Person 15.8%, Co-op 15.5%, Atmospheric 11.7%, 1990's 10.8%

Co-op horror for 1 to 6 players. Anyone can try to escape the Backrooms. You are going back in: locate the lost agents, solve the puzzles, film the entities, and hold out until extraction. Everything you carry can be lost. Your ranks, gear and storage are built to last.

Why similar: Co-op 19.9%, Psychological Horror 16.7%, Multiplayer 13.3%, Action-Adventure 10.8%, First-Person 8.9%

Escape the terror lurking in the darkness in this immersive co-op experience. Solve challenges and work as a team using your main tool: your voice. Beware of lurking monsters, which might be closer than you expect.

Why similar: Psychological Horror 21.5%, Multiplayer 16.6%, Action-Adventure 13.8%, First-Person 12.7%, Horror 9.1%

Don’t Panic Together is an online co-op psychological horror game with a microphone detection system. Players explore dark forest locations, collect important items, and complete objectives together. But panic, screams, and loud noises can quickly lead to death.

Why similar: Co-op 25.9%, Multiplayer 15.7%, Psychological Horror 13.7%, First-Person 9.7%, Horror 9.4%

You and your friends have found a camera with a footage in it. For some reason you can't rewind the video, and as soon as you try winding it forward you all find yourself in the Backrooms. Together figure out whats in the footage and try to ESCAPE AS FAST AS POSSIBLE!

Why similar: Co-op 23.1%, Psychological Horror 17.3%, Multiplayer 11%, Action-Adventure 10.8%, Horror 6.9%

Team up with a friend to reach a lost submarine and prevent the outbreak of war. Work together on two devices to solve increasingly challenging puzzles, where each of you has your own unique role to play. 2 players: 1 buys the game, the other uses the free Companion App

Why similar: Team-Based 54.4%, Multiplayer 16.2%, Co-op 14.3%, Stylized 10.1%, Casual 5.1%

ANOMALY LOOP ADVENTURE Play solo or with up to 6 players. Spot anomalies, solve puzzles, and escape the loop. Will you reach Room 9 or stay trapped forever?

Why similar: Psychological Horror 22.9%, Multiplayer 13.5%, First-Person 12.7%, Action-Adventure 11.5%, Exploration 10%

As captain of the Pandora sub, you must explore the Trench and retrieve data from the Neptune wreckage. But beware - the trench is home to unimaginable horrors that will test your courage. Can you survive the terrors of the deep and complete your mission, or will you become the next victim?

Why similar: Submarine 36% ★, Underwater 16.8% ★, Horror 11.3%, Atmospheric 8.6%, Dark 8%

A multiplayer horror where you escape a laboratory at the cost of others.

Why similar: Co-op 22.5%, Psychological Horror 18.8%, Multiplayer 15.1%, Horror 9.1%, Exploration 7.4%

Subterranauts is a 1-6 player multiplayer horror game with proximity voice chat and terrifying creatures. Your job is to complete assignments by gathering scrap for the Association of Scrap Allocation. Work together with your team to complete assignments, earn company Bucks, and survive!

Why similar: Team-Based 35.9%, Multiplayer 13.7%, Action-Adventure 11.8%, First-Person 8.6%, Horror 7.4%

CRUSH DEPTH is first-person sci-fi horror game set at the bottom of the ocean. A salvage operation that would set you up for life goes sideways when you realize you're not alone down there. You'll solve puzzles and run from danger as you uncover the mysterious fate of Eclipse Station.

Why similar: Submarine 25.7% ★, Underwater 14.4% ★, Action-Adventure 14.2%, First-Person 10.2%, Exploration 9.4%

Dark Hours is a co-op survival horror game for 1-4 players. Your heist has been disrupted by a supernatural event, and your team of robbers is now trapped with an evil entity. Forget your plan, your mission is to survive. Explore and cooperate to find a way out.

Why similar: Team-Based 26.4%, Co-op 16.8%, Psychological Horror 12.1%, Multiplayer 11.1%, Dark 9.2%

Escape: Malice is a two-player co-op escape room-style puzzle horror game. Swallowed by a sinkhole, you find yourself trapped in a nightmarish Japanese mansion haunted by a sinister presence. Solve twisted puzzles, uncover dark secrets, make unforgiving choices, and descend deeper to escape Malice…

Why similar: Co-op 23.2%, Psychological Horror 19.7%, Dark 15%, First-Person 10%, Exploration 8.9%

Inside the Backrooms is a horror multiplayer game mixed with different mechanics that will make you spend an intense night with friends. Explore, think, interact, but be careful, it is rumored that there are several entities wishing to find you...

Why similar: Multiplayer 22.1%, Co-op 19.7%, Psychological Horror 16.9%, Horror 13.1%, Dark 8%

A 2-Player Networked Horror Co-Op game. Explore the deepest recesses of your mind to put yourself back together. Work together to defend yourself from its denizens.

Why similar: Co-op 21.3%, Psychological Horror 14.6%, Action-Adventure 10.5%, Dark 9.5%, Stylized 9%

You are the exploration team from company Async, you arrive to reported anomaly place and searching for anomalies, but what would you find? Prepare yourself for a gripping and heart-pounding adventure in EXPEDITION TO THE BACKROOMS, where every step could be your last.

Why similar: Co-op 27.1%, Psychological Horror 17.2%, Multiplayer 16.7%, First-Person 11%, Exploration 10.1%

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.

Why similar: Co-op 25.7%, Submarine 23.4% ★, Multiplayer 13.8%, Underwater 9.9% ★, Dark 9.5%

Backrooms: The Phobolore is a cooperative multiplayer online horror game for 1-4 players. In this game you will take control of a character who woke up in an unknown place and does not remember anything, your task will be to pass the game levels trying to remember who you are...

Why similar: Team-Based 23.7%, Dark 13.3%, Psychological Horror 12.1%, Action-Adventure 11.8%, First-Person 8.4%

Psycho Reign is a Single or 2 player co-operative online horror puzzle and stealth game where in each level you will be chased by blood thirsty psychos. Look for and solve mini puzzles in order to progress further on the map. Ultimately, find something to fight back...or get chopped up.

Why similar: Co-op 22.1%, Dark 16.2%, Psychological Horror 14.3%, Multiplayer 12.9%, First-Person 9.6%