
Somnium Tenebris is a 5-player, investigative horror game set in a Lovecraftian world. Explore the depths of the ocean with your team as you uncover evidence in your efforts to identify the megalithic creature... and escape before it's too late.
60+ similar titles based on shared tags and player behavior. Themes include First-Person, Horror, Underwater, Atmospheric.

Somnium Tenebris is a 5-player, investigative horror game set in a Lovecraftian world. Explore the depths of the ocean with your team as you uncover evidence in your efforts to identify the megalithic creature... and escape before it's too late.

Eresys
Eresys is a co-op horror game inspired from the works of H.P. Lovecraft. Teamwork is a key as players take on the roles of four cultists and face the terrifying entities together. Dynamic AI mechanics and unique enemies, Eresys promises to deliver a thrilling and spine-chilling gaming experience.

Wreck Below
Wreck Below is an underwater horror game where you dismantle wrecks and avoid the unseen threat of The Arbiter.
Eresys is a co-op horror game inspired from the works of H.P. Lovecraft. Teamwork is a key as players take on the roles of four cultists and face the terrifying entities together. Dynamic AI mechanics and unique enemies, Eresys promises to deliver a thrilling and spine-chilling gaming experience.
Why similar: Lovecraftian 36.2%, Online Co-Op 19.8%, Horror 12.3%, Co-op 11.1%, Mystery 9.3%
Wreck Below is an underwater horror game where you dismantle wrecks and avoid the unseen threat of The Arbiter.
Why similar: Underwater 47.7% ★, Online Co-Op 19.7%, Horror 11.1%, Procedural Generation 7.6%, Co-op 5.8%
1–4 player co-op Lovecraftian horror. Investigate paranormal phenomena across unstable dimensions, identify the entity haunting each world, extract primordial energy and escape before the wormhole collapses.
Why similar: Lovecraftian 25.3%, Online Co-Op 18.3%, Co-op 12.7%, Horror 11.2%, Mystery 9.7%
ABISMO is a co-op deep-sea horror game set on the abyssal floor of an alien planet. Descend alone or with up to 4 players into shifting trenches, explore derelict facilities, and recover what you need to survive while uncovering an analog-horror mystery hidden in corrupted VHS tapes.
Why similar: Underwater 31.8% ★, Lovecraftian 25.6%, Online Co-Op 14.4%, Procedural Generation 9.1%, Horror 8.4%
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: Underwater 38.4% ★, Online Co-Op 17.2%, Horror 11.3%, Multiplayer 9.3%, Procedural Generation 8.7%
Hadalis is a co-op deep sea survival game where every mistake can be fatal. Alone or with a crew, descend into the hadal zone while keeping your fragile submersible intact as pressure, creatures, and failing systems push you to the brink. Will you endure the abyss?
Why similar: Underwater 33.9% ★, Online Co-Op 23.1%, Co-op 16.2%, Multiplayer 12.6%, Character Customization 8.3%
Descend down the arctic depths in Crathos Deep, a cosmic horror narrative adventure. Explore the vast abyss with your submarine and utilize your expeditionary drone to reach the dark corners of the ocean. Investigate a lost research institute to unravel the unsettling mystery of its downfall.
Why similar: Lovecraftian 38%, Underwater 29.2% ★, Horror 15.1%, Mystery 11.3%, Exploration 3.2%
Open Waters is a first-person ocean survival horror game. Stranded in a small boat, you must navigate treacherous waters, evade creatures of the deep, and find your way back to safety before the ocean drags you into its depths.
Why similar: Underwater 48% ★, Lovecraftian 34.5%, Horror 14.1%, Exploration 1.6%, 3D 0.8%
COOPERATIVE UNDERWATER TRAITOR HORROR. 4 players. 1 mission. Descend into an abandoned base at the bottom of the ocean.
Why similar: Underwater 44.5% ★, Online Co-Op 22%, Horror 14.3%, Co-op 8.4%, Multiplayer 5.2%
Go on expeditions with your friends to explore the depths in search of treasures, upgrade your gear, and dive back in deeper.
Why similar: Underwater 40.7% ★, Online Co-Op 17.8%, Hidden Object 13.5%, Horror 11.1%, Multiplayer 7.6%
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: Underwater 38.7% ★, Lovecraftian 31%, Horror 10.6%, Mystery 9.2%, Interactive Fiction 8.1%
A lovecraftian roguelike. Dive into procedurally generated undersea caves. Collect gold, upgrade your equipment, and Feed the Deep.
Why similar: Lovecraftian 37.4%, Underwater 36.8% ★, Procedural Generation 11.1%, Horror 9.4%, Exploration 2.5%
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.
Why similar: Underwater 50.3% ★, Co-op 14.7%, Horror 13.2%, Multiplayer 11.6%, Sandbox 3.8%
Dive into a surreal deep sea dream. Survive by devouring and evolving, and encounter a cast of strange, mysterious companions. Explore, upgrade, and uncover the "truth" hidden beneath the beautiful waves. This is more than an adventure—it is a dimension-breaking dive to the deep.
Why similar: Underwater 56.6% ★, Lovecraftian 37.2%, Exploration 2.9%, 3D 1.2%, Casual 1.1%
Sign of Silence is a 4-player cooperative horror game set in dreadful outskirts of Danwille town. Whether you will escape the place or stay here forever depends on cautious and coordinated actions of the whole team!
Why similar: Lovecraftian 26.5%, Co-op 21%, Horror 18.9%, Multiplayer 11.7%, Online Co-Op 10.3%
You and up to 7 fellow subcontractors have been hired to deliver volatile cargo through dangerous depths. Stay coordinated, keep the payload intact, and try not to panic when everything goes wrong. The company expects delivery.
Why similar: Underwater 38% ★, Online Co-Op 22.9%, Co-op 15.3%, Multiplayer 9.4%, Horror 7.2%
Descend into the abyss, following the trail of a vanished expedition. Piece together their story through the recordings they left behind and uncover why none of them ever returned to the surface.
Why similar: Underwater 46.3% ★, Lovecraftian 26.8%, Horror 14.4%, Mystery 10.5%, First-Person 0.9%
Dive into an epic underwater world in "Fish Survivor" where you'll start as a small fish and embark on an exciting survival journey. Hunt, feed and grow into super-sized sea creatures as you explore an amazing underwater playground, all while evolving and gaining new abilities along the way.
Why similar: Underwater 65.7% ★, Multiplayer 11.5%, Online Co-Op 11.1%, Co-op 8.8%, Simulation 2.2%
COLD ABYSS is a relaxing and atmospheric exploration game where you repair internet cables on the bottom of the ocean. There are no enemies or other forms of danger down there. Just you.
Why similar: Underwater 41.8% ★, Lovecraftian 28.1%, Horror 10.2%, Mystery 9.6%, Exploration 2.6%
"Devil Must Die: The Last Supper" is a horror game. It is a Cthulhu horror game where players, as the followers of the goddess, enter a castle full of demons. To win, they can either search for clues inside the castle to obtain sufficient information about the demons or eliminate the demons there.
Why similar: Lovecraftian 42.1%, Online Co-Op 17.3%, Co-op 13.8%, Horror 12.3%, Multiplayer 9.3%
Underwater, you're alone. Or almost alone. You're a diver doing routine work: cleaning the seabed, collecting waste, fixing pipes. But deep down there's always something wrong. Explore, repair, survive — and try not to lose your mind.
Why similar: Underwater 40% ★, Lovecraftian 33.3%, Horror 10.8%, Mystery 10.7%, Exploration 1.9%
School labyrinth is a 1~4 co-op horror game set in a randomly generated school at night. Cooperate with your friends and try to escape from the school building!
Why similar: Online Co-Op 32%, Horror 23.2%, Procedural Generation 16.4%, Multiplayer 13.9%, Co-op 12.3%
PEAK is a co-op climbing game where the slightest mistake can spell your doom. Either solo or as a group of lost nature scouts, your only hope of rescue from a mysterious island is to scale the mountain at its center. Do you have what it takes to reach the PEAK?
Why similar: Online Co-Op 29.2%, Co-op 19.5%, Multiplayer 16%, Procedural Generation 9.8%, Character Customization 7.1%
A co-op horror game like no other... Play with 1-8 players online as you solve puzzles, collect items and run from the horrors that lie within. Follow in the footsteps of Joan in the story mode or tackle procedurally generated maps that scale with your level and bring a fresh experience each game..
Why similar: Lovecraftian 25.1%, Online Co-Op 19.3%, Horror 13.1%, Co-op 13%, Procedural Generation 10.7%
UNFROST is a co-op Antarctic horror FPS about hunting ancient entities known as the Riftborne. Gather evidence, survive extreme conditions, prepare a nuclear strike, and extract before impact.
Why similar: Lovecraftian 25.4%, Online Co-Op 19.5%, Co-op 13.1%, Horror 10.9%, Procedural Generation 9.8%
Journey to Lammana, through the historic 'found footage' of William H Boston. Explore the cursed island off Cornwall's coast. Retrace the steps of a young man who disappeared in 1924. 'Play through' surviving footage to discover a dark mystery involving treasure, exploration and sea monsters.
Why similar: Lovecraftian 42.4%, Underwater 26.2% ★, Mystery 14.7%, Horror 8.5%, Casual 3.3%
Follow a mysterious marine biologist down to the depths to study a whalefall at the bottom of the ocean. Photograph specimen, collect samples and discover more about your closed-off marine biologist as her mind unravels and she believes there is something down there with her.
Why similar: Underwater 68.4% ★, Horror 15.6%, Mystery 14.1%, Singleplayer 0.8%, First-Person 0.8%
Explore a shifting haunted house alone or with friends in online co-op. Watch every room carefully, uncover disturbing anomalies, and question what is real as the house grows stranger with every new discovery.
Why similar: Online Co-Op 27.9%, Co-op 23.4%, Horror 13.3%, Multiplayer 12.7%, Mystery 10.5%
An online co-op horror game where you pacify, weaken and capture supernatural creatures for PAH Inc. Each level has a different story, unique monsters, and multiple endings. Play single player or together with up to 6 friends. Includes proximity voice chat with fun effects.
Why similar: Online Co-Op 32.1%, Horror 25%, Multiplayer 15.3%, Co-op 14.9%, Procedural Generation 4.9%
Manage an old, rundown nuclear power plant with up to 6 friends in online co-op. Fix hazards before you put the reactor in critical condition, manage the chaos to avoid a meltdown, and try not to get in the way of your coworkers.
Why similar: Online Co-Op 27.6%, Co-op 19.3%, Multiplayer 15%, Character Customization 14.3%, Mystery 7.3%
Follow the Rules is an immersive 1-4 player co-op horror experience. As a night shift guard, your mission is to protect haunted locations. The key to survival lies in strictly following a set of vital rules. Will you make it through the night?
Why similar: Lovecraftian 32.1%, Horror 15.1%, Mystery 15%, Online Co-Op 14.6%, Co-op 11.3%
Gospel Of Steel is a first-person deep-sea welding horror game set in the shadow of a dying, bio-mechanical god. While employed by a cult, the player explores the depths alone, repairing pipelines and fending off the hostile ecosystem.
Why similar: Underwater 78% ★, Horror 16%, 3D 3%, First-Person 1.6%, Singleplayer 1.2%
DIVE. DISCOVER. DIE. Crew a submarine with friends in We Need To Go Deeper - a 2-4-player cooperative submarine roguelike set in a Verne-inspired undersea universe.
Why similar: Underwater 33.6% ★, Lovecraftian 30.1%, Co-op 13.8%, Online Co-Op 12.1%, Multiplayer 7.4%
1-4 player co-op horror about evacuating survivors from anomaly zones.
Why similar: Online Co-Op 32.3%, Co-op 21.5%, Horror 13.9%, Multiplayer 13.1%, Procedural Generation 13%
THE SHORE is a first person story driven game with an atmospheric environment and narrations, You will encounter mysterious creatures and unravel the secrets behind them. Strong elements of horror, struggle to survive an unknown world that will make you question your own sanity.
Why similar: Lovecraftian 48.2%, Underwater 31.2% ★, Horror 13.4%, Mystery 3.2%, Exploration 2.9%
F-Rank Hunter: Survivor is a 1–4 player co-op game where you mine Mana Stones inside dangerous Gates. Escape threats, pay your taxes, and grow from a powerless F-Class into a true Hunter—alone or with your team.
Why similar: Online Co-Op 33.3%, Co-op 22.4%, Horror 14.4%, Multiplayer 13%, Procedural Generation 12.3%
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: Online Co-Op 26%, Co-op 16.7%, Horror 14.4%, Mystery 11.6%, Hidden Object 11.3%
A co-op adventure where the journey is everything. Travel alone or with friends, protect a powerful orb, and brave a world filled with peril on your quest to destroy it. Every challenge strengthens or breaks your party. Will you reach the end of the road?
Why similar: Online Co-Op 30%, Co-op 20.9%, Multiplayer 16.4%, Procedural Generation 11.4%, Character Customization 7.2%
We Gotta Go is a co-op horror comedy that’ll scare the crap out of you—literally. Team up to reach the only bathroom in a haunted mansion before your bowels betray you. Scavenge for items, fend off ghosts, and fight through cursed halls together in a desperate hunt for sweet relief.
Why similar: Lovecraftian 28.4%, Online Co-Op 20.5%, Co-op 14.2%, Horror 11.5%, Character Customization 11%
Stirring Abyss is an indie tactical squad-based game with strong RPG elements in which you uncover the ancient mysteries of the depths depicted in the classic vein of Lovecraftian horror.
Why similar: Underwater 48.6% ★, Lovecraftian 45.1%, Horror 5.2%, Singleplayer 0.8%, Indie 0.3%
A co-op survival horror game for 1-6 players. Record your real scream and it plays back when it takes you. Explore a procedurally generated forest, deny it by facing the terror, and escape before the forest decides you're staying.
Why similar: Lovecraftian 28.2%, Online Co-Op 17.9%, Co-op 13.9%, Horror 10.1%, Procedural Generation 9.9%
Thalassophobia - 2D game that combines survival and roguelike features. A desperate struggle for the survival of the crew and battles with gigantic creatures, inspired by the pantheon of Lovecraft's monsters awaits you.
Why similar: Lovecraftian 43.9%, Underwater 43.8% ★, Horror 11.9%, Singleplayer 0.4%
An online co-op horror game for 1 to 4 players. Find and destroy cursed objects to weaken the ghost before dispatching it for good. Whether exploring alone or with friends, something menacing could be lurking behind every door you unlock, so remember to bring a flashlight and don’t let it get you.
Why similar: Online Co-Op 30.3%, Horror 20.1%, Co-op 19.5%, Multiplayer 13.7%, Procedural Generation 8.3%
A 1–4 player co-op Japanese horror game. Beyond the torii gate lies an otherworldly labyrinth whose layout changes randomly. Work together to escape as you run from, hide from, and sometimes confront terrifying supernatural entities!
Why similar: Online Co-Op 32.8%, Horror 22.1%, Procedural Generation 20.8%, Co-op 10.4%, Multiplayer 8.4%
Stay in the dark. It's the only place he can't see you. Sneak through the house of the Gulyabani, a blind ghoul from Turkish folklore, or play as the monster himself. Put out the lights, finish your tasks and escape before he finds you.
Why similar: Online Co-Op 36.7%, Horror 24.6%, Co-op 19.7%, Multiplayer 16.6%, Casual 2.5%
"Tales of Escape" is a series of 6 person multiplayer escape room adventures for virtual reality or desktop pc! Gather your friends and choose a story to play!
Why similar: Co-op 21.9%, Online Co-Op 19.4%, Horror 15%, Multiplayer 14.4%, Hidden Object 11.6%
Vicera is an online co-op game. Play as relic hunters, solving enigmatic mysteries and escaping a terrifying monster. Will you dare to face the darkness to find the cursed relics?
Why similar: Online Co-Op 25.8%, Co-op 17.6%, Horror 15.6%, Multiplayer 11.9%, Mystery 11.1%
Set in the depths of the Red Seas, Magnavis is a 1-4 player co-op submarine horror survival game. Manually operate grotesque ship systems powered by living organs, weld catastrophic leaks, and survive with your crew in an abyss where unknown terrors lurk in the absolute dark.
Why similar: Underwater 37% ★, Online Co-Op 16.8%, Co-op 13.4%, Procedural Generation 10.6%, Horror 10.3%
One car. Too many drivers. Drive With Friends is a chaotic online co-op driving game for 1-4 players: split one car's controls - gas, brake, left, right - and try to reach the summit past saws, hammers, mines and each other.
Why similar: Online Co-Op 28.8%, Co-op 20.6%, Multiplayer 15.7%, Procedural Generation 11.4%, Character Customization 6.2%
Cursed Weekend is a game for a group of five players in which: four trapped young people and one sneaking evil. But what kind of evil, this is exactly what you have to find out. Maniac killer, poltergeist, cursed doll, demon or ... You never know for sure.
Why similar: Online Co-Op 31.6%, Co-op 21.8%, Horror 21.3%, Character Customization 12.5%, Multiplayer 8.8%
Hush: In Search of Dominic Ward is a co-op, room scale, virtual reality escape room experience. Take on the roles of Sam and their closest friend as they try to unravel the mystery of what has become of Dominic Ward (Sam's Uncle).
Why similar: Lovecraftian 47.6%, Online Co-Op 20.4%, Mystery 16.4%, Co-op 15.7%
A psychological horror game inspired by SCP-1128. As a young woman trapped in a surreal loop, explore your bathroom and submerge yourself in the bathtub to enter a terrifying ocean dimension inhabited by a colossal entity lurking in the depths.
Why similar: Lovecraftian 51%, Horror 19.2%, Hidden Object 12.8%, Mystery 8.1%, Exploration 4%
Explore abandoned biospheres at the bottom of the ocean, alone or with up to 4 friends.
Why similar: Underwater 40.8% ★, Online Co-Op 24%, Horror 13.1%, Multiplayer 10.3%, Co-op 9.3%
Explore, Fish and discover the mysteries hidden within Lake Facade. A short narrative puzzle/adventure game with multiple endings and secrets to find.
Why similar: Lovecraftian 35.9%, Underwater 35.9% ★, Horror 11.4%, Mystery 10.1%, Exploration 2.8%
Fearwoods is a 4 co-op survival horror where light and silence are your only weapons. Explore the cursed forest, uncover Aveline’s story, evade a relentless demon, and fight for escape before the darkness consumes you.
Why similar: Online Co-Op 32.9%, Horror 23.1%, Co-op 20.6%, Multiplayer 15.6%, 3D 3.3%
The post-apocalypse. When some are trying to survive in a new world, others join the detective agency "Peace Dice", which searches for evidence of mutants. Go on a raid and don't come back empty-handed!
Why similar: Co-op 18.8%, Procedural Generation 18%, Horror 17.3%, Hidden Object 13.1%, Multiplayer 10.9%