- #1 .
97% matchNo user reviews
Dev: StartUpGames
Windows
A co-op horror about searching the depths of the ocean for treasure.
Why similar: Underwater 45.3% ★, Team-Based 16.1%, Survival Horror 7.2%, Exploration 6.8%, Action-Adventure 5.1%
- #2 Inside the Labs
96% matchVery Positive82% of 153 reviews2024
Dev: Chreseeba Games
Windows
Inside the Labs is a 1-4 player online co-op survival horror game. Take on the role of teenage explorers as you venture into abandoned labs, following reports of failed human experiments.
Why similar: Online Co-Op 31%, Survival Horror 24.7%, Multiplayer 10.3%, Dark 8.9%, Adventure 7.4%
- #3 Ceto-7
96% matchNo user reviews2026
Dev: M.A.D Lad Games
Windows
Ceto-7 is a single-player underwater survival horror. Play as a salvage diver navigating a flooded alien mining facility, hunted by an apex predator, and hired to destroy sensitive corporate data. The deeper you go, the harder it becomes to ignore what you've been hired to bury.
Why similar: Underwater 57.8% ★, Survival Horror 23%, Adventure 5.7%, Action 4.5%, First-Person 3.8%
- #4 The Hollows
95% matchNo user reviews
Dev: Studio Hollow
Windows
Explore the surreal dreamworld of the in:Between, face grotesque Atrocities, and rescue lost Hollows in this bizarre blend of cozy and horror. Play solo or with friends in this co-op survival horror, where twisted terrors and unpredictable gameplay keep you on your toes.
Why similar: Online Co-Op 31.5%, Survival Horror 25.4%, Exploration 10.8%, Dark 9.8%, Adventure 7.1%
- #5 Magnavis
94% matchNo user reviews
Dev: Vorles Games
Windows
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 33.2% ★, Online Co-Op 16.4%, Team-Based 13.5%, Survival Horror 11.7%, Dark 5.7%
- #6 Murky Divers
94% matchVery Positive87% of 5,341 reviews2024
Dev: Embers
Windows
Median: 2.8 hrsMean: 6.6 hrs≥1hr: 83%
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 40.1% ★, Online Co-Op 19.6%, Survival Horror 14.9%, Multiplayer 7.8%, Exploration 6%
- #7 BELOW
92% matchNo user reviews2027
Dev: Pix3l
Windows
BELOW is a co-op horror game about scavenging and cleaning trashed, abandoned deep sea outposts and research sites to repay your debt to a shady corporation!
Why similar: Survival Horror 29.8%, Online Co-Op 28.2%, Team-Based 12.2%, Adventure 10.7%, Exploration 7.2%
- #8 Barren Depths
93% match7 user reviews57% of 7 reviews2022
Dev: Kyle Obranovic
Windows
Escape a confusing cave system without being eaten in this short, underwater horror game.
Why similar: Underwater 64.7% ★, Survival Horror 21.9%, Realistic 3.5%, Adventure 3.4%, First-Person 3.1%
- #9 Descent Below
91% matchNo user reviews
Dev: Descent Below Team
Windows
COOPERATIVE UNDERWATER TRAITOR HORROR. 4 players. 1 mission. Descend into an abandoned base at the bottom of the ocean.
Why similar: Underwater 45.4% ★, Online Co-Op 24.4%, Dark 10.9%, Adventure 4.7%, Multiplayer 4.2%
- #10 Subterror
90% matchVery Positive90% of 476 reviews2025
Dev: Team Monumental
Windows
Median: 2.5 hrsMean: 3.9 hrs≥1hr: 74%
Explore abandoned biospheres at the bottom of the ocean, alone or with up to 4 friends.
Why similar: Underwater 36.8% ★, Online Co-Op 23.5%, Survival Horror 11.9%, Multiplayer 7.4%, Adventure 4.6%
- #11 Aquavern
89% matchNo user reviews
Dev: Cainedev11
Windows
Aquavern is an underwater survival game where you're forced into the dark web's deadliest game show. Recover loot to sell and buy upgrades that will help you survive deadly creatures and treacherous biomes, pushing deeper in search of the artifact that can set you free.
Why similar: Underwater 44.8% ★, Survival Horror 20.2%, Adventure 17.7%, Exploration 7%, Indie 4.2%
- #12 Hadalis
89% matchNo user reviews
Dev: Goat Studios
Windows
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 35.6% ★, Online Co-Op 26.5%, Multiplayer 10.6%, Adventure 7.9%, Exploration 7%
- #13 Scylla's Depths
88% matchNo user reviews2026
Dev: PigeonPub: Pigeon Studios
Windows
Scylla's Depths Underwater Horror game, This game features detailed health and radiation systems you're managing more than just a health bar with the dynamic damage and Combat systems. Almost everything is procedural and physics based.
Why similar: Underwater 57.5% ★, Survival Horror 24.2%, Simulation 8.1%, Action 6.8%, Action-Adventure 3.4%
- #14 Subcontractors
87% matchNo user reviews
Dev: HasteDev
Windows
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 38.5% ★, Online Co-Op 25.2%, Team-Based 9.9%, Multiplayer 7.6%, Action-Adventure 4%
- #15 Dread Tomb
86% matchMixed60% of 131 reviews2025
Dev: 轻舟游戏工作室Pub: Gamirror Games
Windows
Dread Tomb is a multiplayer cooperative horror game based on Chinese folk rumors. You will face a rugged random map environment and terrain construction, adventure in various harsh random weather conditions, and discover a variety of thrilling mechanisms and mysterious monsters waiting for you.
Why similar: Survival Horror 21.5%, Online Co-Op 21.4%, Adventure 16.6%, Exploration 11.4%, Action-Adventure 9.4%
- #16 Wreck Below
86% matchNo user reviews2026
Dev: Tide Hermit
Windows
Wreck Below is an underwater horror game where you dismantle wrecks and avoid the unseen threat of The Arbiter.
Why similar: Underwater 52.5% ★, Online Co-Op 23.6%, Exploration 5.9%, Adventure 4.4%, Action-Adventure 3.7%
- #17 Saturation
85% matchNo user reviews
Dev: Pawdventure Games
Windows · Linux
Saturation is a short horror game where you work as a saturation diver and deep sea welder. After six months at the bottom of the ocean, your shift is coming to an end, but so are your nerves...
Why similar: Underwater 59.9% ★, Survival Horror 7.8%, Exploration 7.2%, Simulation 6.8%, Adventure 5.6%
- #18 Silent Wreckage|寂靜沉輪
84% matchNo user reviews
Dev: DeepEcho
Windows
Dive into a sunken ocean liner lost in the deep sea. In this narrative-driven 3D survival horror puzzle game, explore a claustrophobic environment while managing limited air resources, solving puzzles, evading unknown horrors, and uncovering the truth behind a distortion of time and space.
Why similar: Underwater 50.1% ★, Survival Horror 24.2%, Adventure 7.7%, Exploration 5.7%, Action 5.1%
- #19 Fish Survivor : Feed and Grow and Evolve
84% matchNo user reviews
Dev: dorkybot
Windows
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 65.9% ★, Online Co-Op 12.1%, Multiplayer 9.3%, Simulation 8.3%, Action 4.3%
- #20 PONE
82% matchMostly Positive80% of 321 reviews2025
Dev: Graggl
Windows
A co-op survival horror game where you and your closest friends must work together to survive in an upside down world crawling with the infected.
Why similar: Online Co-Op 29.8%, Survival Horror 15.5%, Adventure 11.9%, Action 9.4%, Multiplayer 9.1%
- #21 Thalassophobia
83% matchNo user reviews2026
Dev: Varattu Valo Games
Windows
Thalassophobia is a 4-player co-op horror diving game set in the crushing darkness of the deep ocean. Complete high-risk objectives and uncover long-forgotten secrets. The further you descend, the less safe you are.
Why similar: Underwater 44.2% ★, Online Co-Op 18.2%, Survival Horror 12.6%, Team-Based 8%, Multiplayer 7.3%
- #22 LEVEL 2
81% matchNo user reviews
Dev: Rugbug Redfern
Windows
Co-op horror for 1-6 players in a PSX style. Explore deeper into the Backrooms while avoiding strange creatures to find the escape.
Why similar: Survival Horror 33.2%, Online Co-Op 31.5%, Exploration 8.8%, Action-Adventure 7.2%, Multiplayer 6.9%
- #23 HOLLOWED Co.
81% matchNo user reviews
Dev: 8:45
Windows
A chaotic multiplayer horror game where a paranormal recovery crew hunts cursed relics in haunted locations — while monsters hunt them back and corrupted teammates hide among the crew. Work together, uncover the impostors, and survive long enough to escape.
Why similar: Online Co-Op 27.6%, Survival Horror 27.5%, Team-Based 13.3%, Multiplayer 9.2%, Adventure 6.1%
- #24 Beyond Blue
82% matchVery Positive88% of 1,521 reviews2020
Dev: E-Line Media
Windows
Median: 3.0 hrsMean: 27.6 hrs≥1hr: 68%
Beyond Blue is a single-player narrative adventure that takes you deep into our planet’s beating blue heart. Explore the awesome wonder and unbounded mystery that exists within the world’s ocean.
Why similar: Underwater 74.8% ★, Exploration 8.7%, Adventure 7.6%, Simulation 7.2%, Indie 1.6%
- #25 Deeper
80% matchNo user reviews
Dev: Team Breakout
Windows
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 43.7% ★, Online Co-Op 20.9%, Team-Based 7.6%, Exploration 6.6%, Multiplayer 6.5%
- #26 The Mouth must Eat
79% matchNo user reviews2026
Dev: Flash of Stars
Windows
You are not the hunter. You are the food. Survive the night in this co-op survival horror where feeding the monster is your only chance to stay alive.
Why similar: Online Co-Op 37.3%, Survival Horror 28.4%, Dark 10.3%, Adventure 8.7%, Exploration 6.5%
- #27 Digger Beach
78% match8 user reviews75% of 8 reviews2026
Dev: Makatski
Windows
It's just you and the beach. Find out what this cute sand is hiding. Collect and sell treasures, upgrade your equipment. Will you be able to find out all the secrets of the beach in a small town?
Why similar: Underwater 52.4% ★, Simulation 9.5%, Mining 9.4% ★, Dungeon Crawler 5.9%, Adventure 5.8%
- #28 Mining Company
78% matchMostly Negative36% of 11 reviews2025
Dev: SoG
Windows
Online co-op horror for 1-4 players. Mine nearby asteroids for gems to pay for your company's new spaceship. Time your orbits, day-trade the minerals market, and avoid deadly monsters at night.
Why similar: Online Co-Op 25.4%, Mining 25.3% ★, Survival Horror 21.9%, Multiplayer 7%, Exploration 6.7%
- #29 Inside Us
77% matchNo user reviews
Dev: Madmind Studio: After hoursPub: Madmind Studio
Windows
Inside us is a cooperative survival horror game for up to 4 players. Plunge into the world of nightmares, gather your friends and find the courage to extract as much Nightmare Essence as possible during this terrifying escape. Remember that not everyone share the same goal.
Why similar: Online Co-Op 26.1%, Survival Horror 19.6%, Team-Based 16.8%, Exploration 8.7%, Multiplayer 6.7%
- #30 Sly Apes
77% matchNo user reviews
Dev: James Hall
Windows
A retro PSX survival horror game for 1–4 players. Navigate randomly generated maps while hidden apes lurk in the shadows. Spot the threat, run, hide, or slam the door. One wrong move, and you're dead.
Why similar: Survival Horror 28%, Online Co-Op 19.8%, Team-Based 10.4%, Exploration 7.3%, Dark 6.9%
- #31 Subnautica 2
72% matchVery Positive91% of 128,024 reviews2026
Dev: Unknown Worlds Entertainment
Windows
Median: 10.6 hrsMean: 13.6 hrs≥1hr: 94%
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 54.7% ★, Survival Horror 16.8%, Multiplayer 10.1%, Exploration 8.3%, Adventure 4.3%
- #32 SKIBIDI: ESCAPE FROM TOILETS!
76% matchMixed69% of 448 reviews2023
Dev: Skibidi Games
Windows
"SKIBIDI: ESCAPE FROM TOILETS" is a cooperative horror game for 1-4 players. TV MANs are trying to get through creepy and atmospheric locations that are filled with dangerous SKIBIDI - they want to kill you! Free content updates with new levels and game modes - YES YES YES!
Why similar: Online Co-Op 24.9%, Team-Based 17.1%, Multiplayer 9.6%, Survival Horror 8.1%, Simulation 7.9%
- #33 Boonies
75% matchNo user reviews2026
Dev: TheTrueDuck Studios
Windows · Mac
A One vs. Many survival horror game with proximity chat. A group of rednecks have crashed their car in dark woods. They must search for parts to fix their car and escape. But watch out! Through his countless cameras, the Observer sees all. He controls the monster, and must "protect" his forest.
Why similar: Survival Horror 25.2%, Online Co-Op 22.4%, Team-Based 20.7%, Multiplayer 10.3%, Dark 10.3%
- #34 Prairie
75% matchNo user reviews2026
Dev: ryun.dev
Windows
2-4 player co-op horror experience. Conduct a train across an infinite field of tall grass. Scavenge for parts in old train factories to prevent a breakdown. But I'd be careful; whatever is lurking within is waiting for you to come to it.
Why similar: Online Co-Op 27.5%, Survival Horror 20.3%, Multiplayer 10.8%, Simulation 7.4%, Dark 6.4%
- #35 Bounty Hunter Horrors
73% matchNo user reviews2026
Dev: RacerX_Games
Windows
Hunt for monsters through creepy dungeons on your own or with a squad of up to four in this sci-fi horror-based shooter! Navigate treacherous traps and escape the planet once the job is done. Purchase various kinds of equipment to make sure you and your squad are ready! The Main HQ will be watching.
Why similar: Survival Horror 32.1%, Online Co-Op 28.8%, Multiplayer 9.6%, Adventure 8.8%, Action 6.6%
- #36 Code Dread
76% matchMixed50% of 32 reviews2021
Dev: Edogawa Games
Windows
Code Dread is a survival horror game for 1~4 players. You are on a mission to investigate an old abandoned hospital. Be prepared to fight against a ferocious monster lurking in the shadow!
Why similar: Survival Horror 33.9%, Online Co-Op 25.3%, Multiplayer 10.9%, Adventure 10.9%, Action 6.7%
- #37 Deep Diving Adventures 2
73% matchNo user reviews
Dev: Salient GamesPub: Ultimate Games S.A.
Windows
Dive deeper than ever before! Search for Atlantis across 8 unique global locations. Manage your oxygen, breach the surface to plan your next move, and use dynamite or underwater robots to carve your path. Discover over 50 marine species in this immersive diving adventure.
Why similar: Underwater 70.5% ★, Exploration 9.8%, Simulation 8.2%, Adventure 7.9%, First-Person 2.2%
- #38 Shadownest
74% matchMixed55% of 507 reviews2021
Dev: Briny Boi StudiosPub: Briny Boi Studios
Windows
Asymmetric multiplayer meets atmospheric horror
Why similar: Survival Horror 34.4%, Team-Based 16.1%, Multiplayer 13.2%, Dark 8.6%, Adventure 7.1%
- #39 Feed The Fire
71% matchNo user reviews
Dev: Magellan Tide Games
Windows
Feed The Fire is an online co-op survival horror game for up to 4 players. Search the woods for your missing sister. During the day, hunt for food, craft tools, and fortify your camp. When night falls, only fire can protect you from whatever took her.
Why similar: Online Co-Op 33.7%, Survival Horror 19.2%, Multiplayer 13.7%, Exploration 9.4%, Adventure 7.3%
- #40 PROJECT: PLAYTIME
71% matchMostly Positive79% of 57,863 reviews2022
Dev: Mob Entertainment
Windows
Median: 1.0 hrsMean: 6.5 hrs≥1hr: 50%
PROJECT: PLAYTIME is a Free-to-Play multiplayer horror game where six players attempt to create one giant toy while surviving a terrifying monster that roams the toy factory. A seventh player controls the monster and is given only one goal: Find and kill everyone.
Why similar: Survival Horror 25.9%, Online Co-Op 24.3%, Team-Based 18.8%, Multiplayer 12.9%, Dark 6.8%
- #41 Depth
74% matchVery Positive88% of 32,954 reviews2014
Dev: Ammobox Studios
Windows
Median: 4.5 hrsMean: 36.2 hrs≥1hr: 88%
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.
Why similar: Underwater 40.5% ★, Survival Horror 17.2%, Team-Based 16.2%, Multiplayer 7%, Online Co-Op 5.9%
- #42 SCP: Containment Chaos
71% matchNo user reviews
Dev: PhantomBlade
Windows
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.
Why similar: Online Co-Op 28.6%, Survival Horror 25.1%, Team-Based 12.3%, Dark 11.1%, Multiplayer 10%
- #43 Revil Bone
70% matchNo user reviews2026
Dev: IVI
Windows
A spooky co-op survival game for up to 5 players. Explore shifting worlds, mix crystals for Statue demands, gather resources, and survive chaotic encounters where heavy hits trigger physics-based bone reactions.
Why similar: Survival Horror 26.9%, Online Co-Op 18.6%, Dark 7.6%, Adventure 7.2%, Dungeon Crawler 6.9%
- #44 Nurek (1982)
70% matchNo user reviews2026
Dev: Raul Meza
Windows
You take on the role of a diver who has been kidnapped by an organization that is using you to find some ancient artifacts. They have tried to obtain these artifacts in the same way but have failed, and they will not rest until they have them and place them on a statue.
Why similar: Underwater 55.4% ★, Exploration 10.4%, Survival Horror 9.5%, Adventure 8.2%, Dark 5.3%
- #45 Feed and Grow: Fish
73% matchMostly Positive78% of 21,794 reviews2016
Dev: Old B1oodPub: Greens s.r.o.
Windows
Median: 5.3 hrsMean: 15.6 hrs≥1hr: 82%
Hunt and eat other fish - simply, grow into larger beasts!
Why similar: Underwater 68.6% ★, Simulation 11%, Multiplayer 10.4%, Action 4.3%, Adventure 3.5%
- #46 Diving Bear
70% matchNo user reviews
Dev: VaragtP
Windows
Play as a bear diving underwater to explore the ocean’s depths. Collect shells, plants, treasures, and other valuable items from the underwater world. Use your finds to upgrade your gear, allowing you to dive deeper. The deeper you go, the more secrets and hidden places you can discover.
Why similar: Underwater 67.9% ★, Adventure 10.7%, Action 8.1%, Exploration 6.6%, Action-Adventure 6%
- #47 HereWith
69% matchNo user reviews
Dev: RySo Games
Windows
Hide and escape from demonic dolls in an abandoned hospital building. Demon dolls will seek out and chase the player. The only way to escape is to complete the ritual successfully. A small doll wanders around the hospital. Catch them and offer them to your ritual.
Why similar: Survival Horror 32.1%, Online Co-Op 28.7%, Team-Based 8.8%, Multiplayer 7.5%, Action 6.4%
- #48 Tidespawn
69% matchNo user reviews
Dev: Long Lost
Windows · Mac · Linux
Dive into a magical underwater world in this pixel art action-adventure RPG. Explore sunken ruins, battle fearsome sea creatures, uncover lost memories, and shape your destiny beneath the tides.
Why similar: Underwater 64.7% ★, Adventure 10%, Action 7.6%, Exploration 6.1%, RPG 5.7%
- #49 Wonders of the Deep
68% match4 user reviews100% of 4 reviews2025
Dev: Salty Water
Windows
Wonders of the Deep is a third-person underwater exploration adventure with puzzles, marine wildlife, and diving mechanics in a mysterious world.
Why similar: Underwater 54.5% ★, Adventure 14.1%, Simulation 14.1%, Exploration 9.9%, Action-Adventure 5.5%
- #50 SUBFLOOR
67% matchNo user reviews100% of 1 reviews2026
Dev: Silkqy
Windows
Fell out of the sky onto a rooftop. No idea why. The building goes down and it doesn't stop. Something's always watching, there's a mouth on the roof, and nothing makes sense. Figure it out alone or bring friends if you want but they're gonna die too. Good luck
Why similar: Survival Horror 29.3%, Online Co-Op 29.1%, Multiplayer 9.6%, Dark 8.9%, Adventure 8.1%
- #51 Pixel Divers
68% matchNo user reviews
Dev: Pixel Explorers
Windows · Mac
The surface was never the whole story. Something ancient calls from the floor of an alien sea. Dive with your crew through seven ever-darker layers: mine, craft, build bases, crew subs, and guard your air and sanity as the ocean turns hostile. It has been expecting you.
Why similar: Underwater 42.9% ★, Mining 18.3% ★, Survival Horror 15%, Multiplayer 7.1%, Exploration 6.6%
- #52 Hadal
67% matchNo user reviews2026
Dev: CoralHeavens
Windows
Guide a Nereid Freight submarine crew through Europa’s hostile under-ice oceans. Deliver essential cargo, salvage wrecks, repair failing stations, hunt dangerous lifeforms, and survive in the crushing darkness where every dive carries risk — and nothing stays quiet for long.
Why similar: Underwater 43.4% ★, Survival Horror 20%, Exploration 6.2%, Multiplayer 5.5%, Simulation 5.3%
- #53 Maintenance Crew
69% match4 user reviews25% of 4 reviews2024
Dev: Kyle Obranovic
Windows
A cooperative horror game where you must work to maintain a base to keep monsters from getting in.
Why similar: Online Co-Op 27.5%, Survival Horror 24.3%, Adventure 9.5%, Dark 9.2%, Action-Adventure 7.5%
- #54 Pit Purge
67% matchNo user reviews2026
Dev: Ristanox
Windows
An online co-op horror game for up to 4 players. In the pit, the creatures are the loot. Hunt them or capture them alive, then send them up to get paid.
Why similar: Online Co-Op 29.5%, Survival Horror 20.8%, Team-Based 10.4%, Multiplayer 9.3%, Dark 6.9%
- #55 Nightmare Delivery
66% matchNo user reviews2026
Dev: Own It Interactive
Windows
Enter distorted minds and deliver packages to the darkness within. Play alone or in online co-op for up to 4 players, explore nightmarish locations, solve environmental puzzles, outsmart dangerous entities, and escape alive.
Why similar: Survival Horror 19.5%, Adventure 16.3%, Online Co-Op 15.3%, Action 12.9%, Exploration 11.4%
- #56 Guilt Lurks Below
66% matchNo user reviews
Dev: The Ambitious Game Dev
Windows
Explore the deepest depths of an under ground ocean as you survey the environment by recording audio and taking pictures. Collect fuel found in the caves of these depths. Be careful though, Some thing lurks in these waters.
Why similar: Underwater 59.4% ★, Survival Horror 22.8%, Adventure 9%, Action-Adventure 4.3%, Realistic 3.4%