Games Like Hidden Deep

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 33.5%, Multiplayer 20.9%, Horror 18.7%, Sci-fi 13.6%, 2D 7.6%

Why You'll Like It: It perfectly captures the claustrophobic, physics-based tension of managing a crew in a dangerous, alien-infested underwater environment.

CARRION is a reverse horror game in which you assume the role of an amorphous creature of unknown origins, stalking and consuming those that imprisoned you.

Why similar: Horror 28.2%, Physics 21.3%, Puzzle 13.7%, Sci-fi 11.9%, Action 11.1%

Why You'll Like It: This reverse-horror game features similar 2D physics-based movement and a dark, sci-fi aesthetic that mirrors the intensity of Hidden Deep.

Experience the explosive science fiction arcade-shooter that resurrects a much revered franchise in an epic single player and co-op multiplayer campaign.

Why similar: Aliens 34.6%, Shooter 22.2%, Co-op 14.1%, Sci-fi 13.4%, Action 9.7%

Why You'll Like It: A direct spiritual successor to classic top-down shooters that emphasizes fighting swarms of aliens in dark, metallic corridors.

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: Co-op 32%, 2D Platformer 21.6%, Multiplayer 18.1%, Exploration 11.3%, 2D 9.3%

Why You'll Like It: This co-op submarine game shares the 2D perspective and the constant threat of environmental hazards while exploring the deep sea.

EMPTY SHELL will throw you in a dark industrial environment, a secret facility on a Japanese island. Each volunteer has signed a contract for a "recovery operation" without being privy to too many details. A tense roguelite survival horror with a top down perspective.

Why similar: Shooter 29%, Horror 20.9%, Action-Adventure 17.4%, Dark 13%, Sci-fi 12.2%

Why You'll Like It: A top-down, 2D action-horror game that focuses on scavenging and survival in a dark, industrial facility.

GTFO is a hardcore cooperative horror shooter that throws you from gripping suspense to explosive action in a heartbeat. Stealth, strategy, and teamwork are necessary to survive in your deadly, underground prison. Work together or die together.

Why similar: Shooter 26.7%, Co-op 26.6%, Horror 23.1%, Multiplayer 17.6%, Action 6%

Why You'll Like It: While first-person, it is the gold standard for team-based, atmospheric horror in a dark, industrial sci-fi setting.

Deep Rock Galactic is a 1-4 player co-op FPS featuring dwarven space miners, procedurally-generated destructible environments, and endless hordes of alien monsters. Explore cave systems, mine for minerals, and work together to survive!

Why similar: Co-op 28.6%, Shooter 21.3%, Sci-fi 12.6%, Dark 12.3%, Horror 10.6%

Why You'll Like It: It captures the core loop of mining and exploration in dangerous, procedurally generated alien caves with a heavy emphasis on co-op.

Drop into the gripping journey of Aliens: Dark Descent, a squad-based, single-player action game in the iconic Alien franchise. Lead your soldiers in real-time to stop a new and terrifying kind of Xenomorph outbreak on Planet Lethe.

Why similar: Aliens 34.3%, Sci-fi 16.5%, Dark 14.8%, Horror 12.4%, Action-Adventure 9.9%

Why You'll Like It: Provides a tactical, high-stakes experience that perfectly captures the feeling of being hunted by xenomorph-like creatures.

Anoxemia is a story-driven exploration game that puts you in control of the scientist Dr. Bailey and his operations drone, ATMA. Search the ocean floor as you discover and extract samples from the bowels of the underwater caves. Danger lurks in each passageway.

Why similar: Physics 30.2%, Dark 18.6%, Action-Adventure 12%, Puzzle 11%, Horror 10%

Why You'll Like It: This 2D adventure game focuses on underwater exploration and puzzle-solving in a dark, atmospheric environment.

You are a nomadic slugcat, both predator and prey in a broken ecosystem. Grab your spear and brave the industrial wastes, hunting enough food to survive, but be wary— other, bigger creatures have the same plan... and slugcats look delicious.

Why similar: 2D Platformer 31.6%, Physics 26.6%, Exploration 21%, 2D 11.7%, Action 5.8%

Why You'll Like It: Features complex physics-based movement and a brutal, atmospheric survival loop in a mysterious, decaying world.

The sci-fi survival-horror classic returns, completely rebuilt to offer an even more immersive experience — including visual, audio, and gameplay improvements — while staying faithful to the original game’s thrilling vision.

Why similar: Aliens 21.6%, Horror 21.2%, Shooter 16.6%, Sci-fi 14.6%, Dark 10.1%

Why You'll Like It: The 2023 remake provides the quintessential sci-fi horror experience that inspired much of the genre's atmosphere.

Descend into the depths of an alien underwater world filled with wonder and peril. Craft equipment, pilot submarines and out-smart wildlife to explore lush coral reefs, volcanoes, cave systems, and more - all while trying to survive.

Why similar: Aliens 28%, Horror 26%, Exploration 14.1%, Multiplayer 12.3%, Sci-fi 12.3%

Why You'll Like It: While more open, it excels at creating a sense of isolation and terror while exploring the depths of an alien ocean.

A classic survival horror experience set in a dystopian future where humanity has uncovered a dark secret. Unravel a cosmic mystery, escape terrifying creatures, and scavenge an off-world government facility as Elster, a technician Replika searching for her lost dreams.

Why similar: Sci-fi 20.3%, Dark 19.8%, Mystery 18.9%, Shooter 13.6%, Puzzle 11.2%

Why You'll Like It: A masterfully crafted sci-fi horror game that leans into the psychological dread and claustrophobia found in Hidden Deep.

ROUTINE is a First Person Sci-Fi Horror set on an abandoned lunar base designed around an 80s vision of the future. Explore and investigate your surroundings as you survive against unknown threats.

Why similar: Aliens 24%, Thriller 20%, Dark 14.4%, Sci-fi 11.5%, Horror 10.6%

Why You'll Like It: An atmospheric, sci-fi horror game that emphasizes exploration and survival in a retro-futuristic space station.

Aliens: Fireteam Elite is a cooperative third-person survival game set in the iconic Alien Universe. Battle through hordes of different types of Xenomorph, customize your character and gear, and level-up as you try to contain this ever-growing threat.

Why similar: Aliens 30.9%, Shooter 17.9%, Co-op 17.7%, Horror 11.8%, Sci-fi 9.9%

Why You'll Like It: Delivers the intense, action-heavy combat against alien swarms that Hidden Deep fans will find familiar.

A lovecraftian roguelike. Dive into procedurally generated undersea caves. Collect gold, upgrade your equipment, and Feed the Deep.

Why similar: Physics 23.6%, Dark 19.3%, Horror 15.6%, Exploration 10.7%, Action-Adventure 8.9%

Why You'll Like It: A roguelite that focuses on the dangers of deep-sea exploration and the mystery of what lurks below.

A first-person fight to the death in the depths of space!

Why similar: Sci-fi 30%, Horror 28.8%, Shooter 23.4%, Action 14%, Singleplayer 3.8%

Why You'll Like It: The 2023 remake offers a dense, immersive sci-fi environment filled with environmental storytelling and terrifying threats.

What if someone knew your mind better than you did? The Swapper is an award-winning, narrative driven puzzle game set in the furthest reaches of space.

Why similar: Puzzle 38.8%, Sci-fi 37.6%, Mystery 8.4%, 2D 5.2%, Exploration 4.3%

Why You'll Like It: A 2D sci-fi game that uses physics and atmospheric storytelling to create a sense of unease in a desolate space station.

Noita is a magical action roguelite set in a world where every pixel is physically simulated. Fight, explore, melt, burn, freeze and evaporate your way through the procedurally generated world using spells you've created yourself.

Why similar: Physics 44.2%, 2D Platformer 24.5%, Action-Adventure 14.3%, 2D 9.4%, Action 7.7%

Why You'll Like It: A 2D physics-based game where every pixel is simulated, creating a dangerous and unpredictable environment for exploration.

Relive Half-Life.

Why similar: Aliens 32.5%, Shooter 20.1%, Sci-fi 16.9%, Horror 11.1%, Multiplayer 9%

Why You'll Like It: A faithful remake of a classic sci-fi shooter that excels at building tension within a research facility.

SCP: 5K is a co-op or singleplayer tactical horror FPS project that puts players in the midst of a conspiracy where the SCP Foundation has turned on humanity. Enjoy Early Access as we continue to work towards a completed full release of the project!

Why similar: Co-op 30.6%, Shooter 25.1%, Horror 19.1%, Multiplayer 15.7%, Action 6.3%

Why You'll Like It: A tactical, co-op horror shooter that focuses on realistic movement and intense combat in mysterious, dark facilities.

Journey across space to the icy planet of Tau Volantis with Isaac Clarke and Sgt. John Carver to discover and destroy the source of the Necromorph outbreak.

Why similar: Horror 17.3%, Shooter 15.9%, Co-op 15.8%, Thriller 13.6%, Sci-fi 11.8%

Why You'll Like It: Features significant co-op elements and icy, subterranean environments that align with the themes of Hidden Deep.

Named Game of the Year by over 50 publications, Valve's debut title blends action and adventure with award-winning technology to create a frighteningly realistic world where players must think to survive. Also includes an exciting multiplayer mode that allows you to play against friends and enemies around the world.

Why similar: Aliens 34.9%, Shooter 19.3%, Sci-fi 13.4%, Multiplayer 12.5%, Action-Adventure 11.8%

Why You'll Like It: A foundational sci-fi shooter that established the atmospheric, facility-based exploration style seen in Hidden Deep.

Teeth-clenching stealth, followed by tactical hardcore gunplay for those not looking for a quiet way in. Intravenous redefines challenging stealth-action and will keep you on the edge of your seat!

Why similar: Shooter 55%, Action 19.9%, 2D 17.8%, Singleplayer 7.3%

Why You'll Like It: A 2D tactical action game that emphasizes stealth, lighting, and careful movement through dangerous facilities.

Species: Unknown is a 1 to 4 players co-op survival horror. Complete high-risk missions aboard an abandoned ship while being hunted by an unknown creature. Survive and upgrade your gear to face each new threat that lurks in the dark.

Why similar: Aliens 33.6%, Horror 18.5%, Shooter 15.1%, Multiplayer 10.8%, Sci-fi 10.6%

Amnesia: The Bunker is a first-person horror game set in a WW1 bunker. A relentless, AI-driven monster stalks you. Survival depends on finding tools, crafting items, and keeping the lights on.

Why similar: Horror 36.6%, Action-Adventure 26.8%, Exploration 18.7%, Action 12.1%, Singleplayer 5.8%

Why You'll Like It: Focuses on claustrophobic survival and resource management in a dark, confined space where you are constantly being hunted.

Uncover the chilling secrets beneath the Antarctic ice in this survival horror FPS. Shoot unimaginable creatures, solve cryptic puzzles, and fight for your life in the frozen wastelands.​

Why similar: Aliens 18.6%, Dark 16.7%, Horror 15.4%, Shooter 12.7%, Puzzle 10.5%

Why You'll Like It: A horror game set in a remote, frozen research station that mirrors the isolated, dangerous setting of Hidden Deep.

Explore a hostile, living world: Uncover forgotten horrors, both man-made and supernatural, as you hunt for powerful weapons and exotic artifacts.

Why similar: Shooter 22.1%, Dark 18.2%, Horror 16.1%, Sci-fi 13.6%, Action-Adventure 12.2%

Inspired by "The Thing", SurvHive is an asymmetric sci-fi horror multiplayer FPS in which the only one you can trust is yourself, as alien shape-shifters lie in wait. Will humans be able to eradicate the alien menace? Will the infection spread instead? Welcome to their Hive...

Why similar: Horror 38.8%, Multiplayer 33%, Action 28.2%

Why You'll Like It: An indie action-horror game that focuses on multiplayer survival in dark, claustrophobic environments.

Enter unstable rifts, survive otherworldly creatures, and grab bizarre ingredients to fuel a secret brewery hidden beneath a British pub. Hazard Levels is a 1–4 player physics-driven co-op survival horror where the deeper you go, the stranger it gets. Just make it back before last orders.

Why similar: Horror 39.5%, Action-Adventure 35.3%, Exploration 25.2%

Why You'll Like It: A roguelite exploration game that features third-person action in dangerous, facility-based environments.

EXOME is a co-op sci-fi survival shooter that blends wave-based survival with open-world exploration. Battle hordes of aliens, upgrade your arsenal, and uncover the hidden truths of the deep forest. Will you face it alone or bring your friends along?

Why similar: Aliens 21.5%, Shooter 19.1%, Horror 13.6%, Mystery 12%, Sci-fi 10.8%

Why You'll Like It: A challenging PVE exploration game that focuses on surviving in hostile, alien environments.

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: Horror 25.4%, Multiplayer 21.6%, Sci-fi 13.9%, Exploration 13.1%, Mystery 12.5%

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: Aliens 23.3%, Co-op 20.9%, Horror 20.1%, Multiplayer 10.3%, Sci-fi 9.8%

An alien force is threatening to destroy the stability of the galaxy! Play as an unknown creature or a Spacefleet Officer in this Online Sci-Fi Horror!

Why similar: Multiplayer 50.3%, Action 28.5%, Horror 21.1%

Why You'll Like It: A straightforward action game that captures the gritty, industrial sci-fi aesthetic of the genre.

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: Co-op 22.9%, Horror 21%, Multiplayer 16.5%, Action-Adventure 14.4%, Sci-fi 13.4%

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: Horror 23.9%, Multiplayer 19.7%, Co-op 19.2%, Dark 14.3%, Exploration 7.9%

DIG Raiders is a co-op game about blasting underground in search of aliens. Deep in debt, you've taken on a mysterious dig site. Team up, blow a path below, explore, find aliens, and put them to work in your alien shopping district—or ditch the job and start an all-out brawl with your friends!

Why similar: Mining 27.5% ★, Aliens 19.7%, Physics 10.9%, Co-op 10.5%, Horror 8.2%

KLETKA is a co-op (up to 6 players) horror game about going down in an elevator that is trying to eat you. Feed the elevator, explore deadly floors and descend deeper.

Why similar: Co-op 25.1%, Horror 20.9%, Dark 15%, Action-Adventure 13.6%, Mystery 12.7%

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

Why similar: Horror 28.6%, Multiplayer 23.2%, Co-op 19.7%, Action-Adventure 16.8%, Action 9.2%

DEEP ROCK GALACTIC: ROGUE CORE is a 1-4 player co-op shooter with sci-fi dwarves, procedurally-generated caves and random roguelike upgrades. Explore maze-like mines and blast through hordes of alien abominations — no two runs are the same. Move quickly, work together and shoot first to survive.

Why similar: Co-op 20.7%, Shooter 18.1%, Dark 14.5%, Horror 12.6%, Sci-fi 11.3%

Escape room meets co-op survival horror. The year is 1998, and an ancient curse has been unleashed, trapping everyone on Mount Bisik. Alone or with up to 4 players, you must explore, find clues, figure out a way to escape...and survive the horror.

Why similar: Horror 30.7%, Co-op 24.3%, Multiplayer 16.2%, Puzzle 15.1%, Exploration 13.7%

Get ready for a thrilling underwater adventure with classic point-and-click gameplay. Explore with three characters simultaneously. Featuring atmospheric isometric graphics, rendered video, and a soundtrack by Mark Morgan, BONE TOTEM takes you on a journey to hidden places deep below the waves...

Why similar: Aliens 32%, Horror 21.1%, Sci-fi 18.1%, Puzzle 15.1%, Exploration 11.5%

From the creators of The Last Stand: Union City and Dead Zone comes an all-new singleplayer rogue-lite action adventure. After you become infected by the zombie virus, you set out to explore the post-apocalypse and find hope for your fellow survivors. You can still make a difference. Don't give up.

Why similar: Shooter 51%, Dark 29.8%, Action 12.5%, Singleplayer 6.7%

Survive, hunt and prey in the deadly jungles and swamps in distinctly new and thrilling first person gameplay.

Why similar: Aliens 35.6%, Shooter 13.4%, Horror 12.6%, Sci-fi 11.6%, Multiplayer 10.9%

You are a TEC Engineer from Earth ordered to retrieve and return sensitive data from the TEC Mining Facility on Titan. On arrival, you discover that the facility has been invaded by beings from another realm. Contend with these abominations as you complete your mission and escape Titan.

Why similar: Shooter 27.2%, Horror 18.7%, Sci-fi 16.3%, Puzzle 14.7%, Exploration 13.3%

Unravel a thrilling sci-fi mystery in this action-packed twin-stick roguelite shooter. Select your load-out, stack up temporary and persistent upgrades, and delve into the depths of a subterranean base, either alone or in a group of up to 3 players.

Why similar: Dark 32.3%, Shooter 29.9%, Co-op 25.8%, Action 8.2%, Singleplayer 3.8%

Void Crawler is a horror game set in a dystopian future, where you pilot a vehicle nicknamed 'The Mole' into a mysterious void deep within the Earth to collect an extremely valuable material for a company dedicated to solving the world's energy crisis.

Why similar: Mining 21.8% ★, Aliens 19.8%, Thriller 18.5%, Horror 10.9%, Dark 9.9%

In this immersive sci-fi thriller, you will experience the atmosphere of classic 3D games as you solve puzzles, follow an intriguing non-linear storyline, and engage in battles with monsters.

Why similar: Shooter 22.1%, Mystery 20.6%, Sci-fi 16.5%, Horror 13.5%, Puzzle 13.4%

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: Mystery 28.2%, Dark 20.3%, Physics 20.2%, Puzzle 13.2%, Exploration 9.4%

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: Mystery 25.8%, Dark 24.1%, Exploration 18.5%, Action-Adventure 17.3%, 2D 9.9%

A brutally challenging physics-horror caving game. Using only your hands, drag yourself down a suffocating cave system where every hold pulls you further into the darkness. Equal parts rage-game, claustrophobic nightmare, and descent into a forgotten folktale...

Why similar: Physics 28.7%, Dark 28.5%, Horror 20.7%, 2D 10%, Action 8.1%

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: Co-op 25.8%, Horror 23.9%, Multiplayer 21.6%, Exploration 14%, Sci-fi 9.9%

EX VITRO is a dark sci-fi 2D platformer where you delve into the ruins of a military research facility and discover the horrors within. Whether machine, creature, or something else entirely, you’ll face the violent legacy of the last survivors of humanity.

Why similar: 2D Platformer 28.8%, Horror 18.4%, Exploration 13.6%, Sci-fi 12.4%, Dark 12%

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: Shooter 26.9%, Co-op 23.4%, Horror 19.5%, Multiplayer 17%, Action 7.1%

Deep beneath the abandoned subway, an unknown threat awaits. Collect gold and find a way out.

Why similar: Horror 55.8%, Mystery 19.3%, Action 19.1%, Singleplayer 5.8%

From the creators of Amnesia: The Dark Descent comes SOMA, a sci-fi horror game set below the waves of the Atlantic ocean. Struggle to survive a hostile world that will make you question your very existence.

Why similar: Horror 21.8%, Dark 20.2%, Sci-fi 15.7%, Mystery 12.6%, Puzzle 11.2%

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: Horror 23.2%, Sci-fi 21.6%, Action-Adventure 17.8%, Puzzle 15.6%, Exploration 13.6%

Explore and uncover the mystery of a surreal alien world by blasting aliens and glitching your environment in this intense retro side-scrolling action/adventure.

Why similar: Sci-fi 29.9%, 2D 14.5%, Action 14.2%, Aliens 13.6%, Exploration 12.9%

Defend against waves of alien monsters in this unique roguelike action miner. Dig for resources, collect useful gadgets, and upgrade equipment to increase odds of survival – just hurry back before your dome is destroyed!

Why similar: Physics 32.7%, Sci-fi 25.3%, Exploration 13.7%, Action 13.1%, 2D 9.1%

Fight to survive on a mysterious alien planet, outwit its vicious inhabitants, and do whatever it takes to find a way off that wretched rock.

Why similar: Shooter 26.8%, Aliens 25.6%, Sci-fi 14.7%, Action-Adventure 10.6%, Action 9.4%