Top similar games like Thalassophobia:

Deadhikers is a co-op survival horror game set in a remote, isolated wilderness cut off from the outside world. With no base building, players rely on hiking gear, keep moving, explore, and search for a way out together. Something is watching you - survival means escaping this hell.

A co-op horror about searching the depths of the ocean for treasure.

Subnautica 2 is an underwater survival adventure set on an all-new alien world, developed by Unknown Worlds. Play alone or with friends in 4-player co-op. Adapt to survive by building custom bases and crafting tools. Explore the unknown to uncover the mysteries hidden within the depths.

FOREWARNED is a 1-4 player co-op survival horror. Delve deep into ancient Egyptian ruins with your team of fellow archaeologists. Investigate phenomena, collect treasure, discover lore, survive danger, and banish the evil that lurks within.

Damned is a randomized online horror game for up to 5 players (4 survivors and 1 monster). You’ll be able to play as one of four people trapped in different haunted places (hotels, hospitals, etc).

Trapped in a vertical facility where food comes from above and always runs out before it reaches the bottom. Talk, trade, betray or climb. Every night the cages lock and only two can stay.

The Backrooms got colorful. Suit up, grab your paint, and splatter your way out of the liminal void with up to 4 friends.

In a post-apocalyptic world overrun by monsters due to an unknown virus, some people have managed to survive. During these times, an organization formed by elite members of society emerged, fighting against the monsters and aiming to restore the world to its original state.

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.

The Reflection is a ritual-based co-op horror game focused on tension, teamwork, and survival. Trapped inside a cursed mansion, players must a investigate supernatural event, perform the correct rituals, and exorcise a dangerous entity before it consumes them.

Backrooms Media is a 1-4 player co-op horror that plunges you into unsettling, hyper-realistic liminal spaces. Navigate eerie environments filled with lurking horrors. Group up with your friends to face the terror of the endless backrooms together and... try to escape.

A co-op experience for 1–4 players. Take on government contracts in a world overrun by combat robots. Explore, gather resources, and keep your base operational at any cost!

Investigate haunted locations solo or with up to 4 players. Gather evidence, identify the entity, and survive deadly paranormal encounters before eliminating the ghost and escaping alive.

Liturge is a cooperative investigative horror game for 1-4 players. A team of LRI Operators investigates haunted locations, gathers paranormal evidence, and identifies the entity responsible for the activity.

THE OCCULT PROTOCOL is a paranormal investigation horror game for solo or online co-op. Gather evidence, identify the entity, survive its hunts, and prepare the right ritual to banish it.

A cooperative horror game where you must work to maintain a base to keep monsters from getting in.

A 1–6 player immersive psychological horror experience. Venture through multiple handcrafted liminal Backrooms levels, solve puzzles, explore and survive.

In Specimen 13 you play as one of five survivors (or a traitor) who find themselves as unwilling subjects in an experiment set on a mysterious island. Alternatively, play as the Specimen and prevent the survivors from escaping through the underground elevator.

A co-op horror rescue game for 2-4 players. Locate injured hikers in dangerous forests and carry them with your friends to the rescue point before you get eaten.

SCP: Containment Chaos is a co-op horror survival game for 1-4 players. Become SCP Foundation agents tasked with containing and researching anomalous entities in parallel universes. Solve a variety of unique tasks tailored to each SCP, all while striving to maintain order in the unimaginable chaos.

Enjoy a 4vs1 asymmetric horror experience like no other. Be a part of the investigator team, or take control of the creature and devour them!

Time For Revenge is a co-op survival horror game for 1-6 player. Get your revenge from the Chef. But be careful, Chef can't see well but he can sense your smell very well. You need to solve the puzzles and complete the tasks to save the children. Escape from the town before Chef gets you.

Co-op first-person horror for 1–4 players. You and your friends are trapped in endless liminal backrooms where nothing makes sense. Explore, find keys and almond water, and work together to evade unstoppable monsters and escape.

Play as a shark or a diver in a dark aquatic world and overcome your enemies by employing cunning, teamwork, and stealth. Depth blends tension and visceral action as you team up against AI or be matched with other players in heart pounding combat.

CRYO is a multiplayer co-op survival horror for 1-4 players. You have been deployed by your company to various locations around the Antarctic due to communication issues. What awaits you in these dark, remote regions is far more sinister than a technical fault...

Backrooms: Recode is a cooperative horror game for 1–4 players. The rules don't stay the same. Neither do the walls, the halls, or your thoughts. If there's a pattern, it's not meant for you to understand.

A co-op horror fishing sim for 1–4 players. Play as SWAT operatives to retrieve a lost item deep in the Amazon jungle. Fish, sell, buy, and upgrade to achieve your mission.

Pamali: The Vengeful Mother is a 1-4 players online co-op survival horror. Use each character’s unique strengths, strategize with your teammates, do everything you can to save the missing children and escape the abandoned orphanage. Bring your friends!

Gravemore is a realistic first-person co-op horror experience for two players. After your car mysteriously fails, you must descend into the abandoned sewers and find a way to trap the Werewolf — using dead rats as bait to lure it into a cage. Silence is your only weapon.

Last Cleanup is a 1–4 player co-op horror game where you and your crew take on dangerous cleaning missions in abandoned locations. Some things lurk in the dark, so work together, finish the checklist, and make it out alive.

Trapped in a secret sleep experiment, you and your friends must survive terrifying nightmares, completing tasks to wake up before it's too late. Play solo or in co-op, but beware the experiments are never the same and something watches from the dark.

CoopRooms is a co-op survival horror game for up to 5 players, set in the endless Backrooms. Take photos and videos while you progress - and maybe survive. Just don’t scream... the Entities are listening.

Entity Research Group — a cooperative first-person horror game where you become part of a special unit investigating highly dangerous anomalous entities. Collect evidence and samples, complete technical objectives, and survive within the ever-changing Backrooms clusters.

A co-op horror where your voice can get you killed, monsters can break into your hiding spots, and captured players must be rescued before it’s too late.

Chains of Reality is a survival horror game focused on a story-driven single-player narrative, where you traverse a multitude of liminal environments and alternate dimensions in search of fulfilling your end of a deal, a deal made with someone you never should have trusted.