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 21%, Horror 18.6%, Sci-fi 13.6%, 2D 7.6%

Why You'll Like It: It perfectly mirrors the submarine-based, claustrophobic horror and physics-heavy survival mechanics of Hidden Deep.

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 28.1%, Physics 21.5%, Puzzle 13.6%, Sci-fi 11.9%, Action 11%

Why You'll Like It: This game shares the 2D perspective and physics-based movement while flipping the script to let you play as the horror in the dark.

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: Co-op 26.9%, Shooter 26.5%, Horror 22.9%, Multiplayer 17.8%, Action 5.9%

Why You'll Like It: It captures the intense, team-based sci-fi horror atmosphere and the feeling of being hopelessly outnumbered in a dark facility.

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 28.9%, Horror 21%, Action-Adventure 17.3%, Dark 13.1%, Sci-fi 12.2%

Why You'll Like It: A top-down 2D action game that nails the dark, industrial, and horror-filled aesthetic of a sci-fi research facility.

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 27.9%, Horror 26%, Exploration 14.1%, Multiplayer 12.4%, Sci-fi 12.3%

Why You'll Like It: It is the definitive underwater exploration experience, offering a similar sense of dread and discovery in a hostile aquatic 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 31.3%, Physics 27%, Exploration 20.9%, 2D 11.8%, Action 5.8%

Why You'll Like It: This game features brutal, physics-based 2D platforming and an unforgiving ecosystem that demands careful exploration and survival.

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 30.5%, Dark 18.6%, Action-Adventure 11.9%, Puzzle 10.9%, Horror 10%

Why You'll Like It: A 2D underwater exploration game that focuses on physics-based movement and puzzle-solving in a dark, atmospheric setting.

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%, Co-op 17.9%, Shooter 17.8%, Horror 11.8%, Sci-fi 9.9%

Why You'll Like It: This title leans directly into the action-horror roots of the Alien franchise that inspired Hidden Deep.

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 28.8%, Shooter 21.2%, Sci-fi 12.6%, Dark 12.4%, Horror 10.6%

Why You'll Like It: While 3D, it captures the core loop of mining, exploration, and fighting off swarms of alien creatures in a subterranean environment.

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 20.2%, Dark 19.9%, Mystery 18.9%, Shooter 13.6%, Puzzle 11.2%

Why You'll Like It: It delivers a masterfully crafted sci-fi horror experience with a top-down perspective and a heavy emphasis on atmosphere and resource management.

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 22.1%, Co-op 14.3%, Sci-fi 13.4%, Action 9.6%

Why You'll Like It: A top-down shooter that focuses on navigating dark, alien-infested corridors, mirroring the classic sci-fi horror aesthetic.

Relive Half-Life.

Why similar: Aliens 32.6%, Shooter 20%, Sci-fi 16.9%, Horror 11.1%, Multiplayer 9.1%

Why You'll Like It: This remake of the original Half-Life captures the exact sci-fi horror and facility-exploration vibe that Hidden Deep draws from.

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 26.7%, Aliens 25.6%, Sci-fi 14.7%, Action-Adventure 10.6%, 2D 9.4%

Why You'll Like It: A 2D physics-based shooter that emphasizes environmental interaction and chaotic combat against hostile creatures.

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 34.2%, Sci-fi 16.4%, Dark 14.9%, Horror 12.5%, Action-Adventure 9.9%

Why You'll Like It: A tactical game that captures the tension of managing a squad against overwhelming alien threats in a dark facility.

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 25.3%, Multiplayer 21.7%, Sci-fi 14%, Exploration 13%, Mystery 12.6%

Why You'll Like It: A horror-focused co-op game that involves exploring underwater wrecks and dealing with terrifying anomalies.

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 21.1%, Shooter 16.6%, Sci-fi 14.7%, Dark 10.1%

Why You'll Like It: It is the gold standard for sci-fi horror, featuring intense combat and a claustrophobic atmosphere that matches the tone of the seed game.

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 23.1%, Horror 20.8%, Multiplayer 16.6%, Action-Adventure 14.3%, Sci-fi 13.4%

Why You'll Like It: A multiplayer horror game centered on submarine exploration and surviving the dangers of the deep.

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 32.2%, 2D Platformer 21.4%, Multiplayer 18.2%, Exploration 11.2%, 2D 9.4%

Why You'll Like It: A co-op submarine exploration game that captures the chaotic, team-based nature of surviving in the deep sea.

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

Why similar: Physics 23.8%, Dark 19.3%, Horror 15.5%, Exploration 10.7%, Action-Adventure 8.8%

Why You'll Like It: A roguelite that focuses on deep-sea exploration and the constant threat of environmental hazards and creatures.

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

Why similar: Horror 28.5%, Multiplayer 23.4%, Co-op 19.8%, Action-Adventure 16.6%, Action 9.1%

Why You'll Like It: A first-person horror game that focuses on navigating dangerous, subterranean environments with a heavy emphasis on atmosphere.

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 17.1%, Co-op 16%, Shooter 15.8%, Thriller 13.7%, Sci-fi 11.8%

Why You'll Like It: Offers a co-op sci-fi horror experience that emphasizes action and survival in frozen, hostile environments.

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

Why similar: Sci-fi 30.1%, Horror 28.8%, Shooter 23.4%, Action 13.9%, Singleplayer 3.8%

Why You'll Like It: This game defines the sci-fi horror exploration genre, focusing on navigating a hostile, derelict research facility.

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 38.7%, Sci-fi 37.6%, Mystery 8.5%, 2D 5.2%, Exploration 4.3%

Why You'll Like It: A 2D puzzle-platformer that uses physics and cloning mechanics to explore a lonely, atmospheric sci-fi space station.

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: It emphasizes physics-based interaction and survival in a dark, enclosed space where you are constantly hunted.

Moons of Madness is a first-person, story-driven cosmic horror game where the scientific exploration of Mars meets the supernatural dread of Lovecraft.

Why similar: Horror 24.7%, Thriller 21.4%, Sci-fi 19.5%, Mystery 13.1%, Puzzle 9.8%

Why You'll Like It: It provides a narrative-heavy sci-fi horror experience set in a remote research base, focusing on psychological tension.

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 33.7%, Horror 18.4%, Shooter 14.7%, Multiplayer 11.1%, Sci-fi 10.7%

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 12.6%, Puzzle 10.5%

Why You'll Like It: A horror game set in a remote, frozen research facility that focuses on puzzle-solving and surviving against monsters.

Named Game of the Year 2019 by Giant Bomb, Polygon, Eurogamer, and The Guardian, Outer Wilds is a critically-acclaimed and award-winning open world mystery about a solar system trapped in an endless time loop.

Why similar: Mystery 29.9%, Exploration 19.9%, Horror 15.7%, Puzzle 14.7%, Sci-fi 14.6%

Why You'll Like It: While less horror-focused, it shares the deep sense of mystery and physics-based exploration in dangerous, alien 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 18.9%, Horror 13.6%, Mystery 12.1%, Sci-fi 10.8%

Why You'll Like It: A difficult, exploration-heavy game that features pve combat in a hostile, alien-infested environment.

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 23.9%, Thriller 20.1%, Dark 14.5%, Sci-fi 11.5%, Horror 10.6%

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 21.2%, Horror 20%, Multiplayer 10.2%, Sci-fi 9.8%

Hunted and alone, a boy finds himself drawn into the center of a dark project. INSIDE is a dark, narrative-driven platformer combining intense action with challenging puzzles. It has been critically acclaimed for its moody art style, ambient soundtrack and unsettling atmosphere.

Why similar: 2D Platformer 23.1%, Dark 22.1%, Horror 18.3%, Action-Adventure 14.6%, Puzzle 12.3%

Why You'll Like It: A 2D puzzle-platformer that excels at creating a dark, oppressive atmosphere with physics-based environmental storytelling.

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 25.3%, Horror 20.8%, Dark 15.1%, Action-Adventure 13.5%, Mystery 12.8%

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 23.8%, Co-op 19.6%, Multiplayer 19.6%, Dark 14.5%, Exploration 7.8%

DEEP ROCK GALACTIC: ROGUE CORE is a 1-4 player co-op FPS action roguelite featuring sci-fi dwarves, alien horrors and procedurally-generated caves. Join the elite dwarven Reclaimers and fight through perilous mining facilities infested with deadly Corespawn. For Rock and Stone!

Why similar: Co-op 20.8%, Shooter 17.9%, Dark 14.6%, 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 30.6%, Co-op 24.4%, Multiplayer 16.2%, Puzzle 15%, Exploration 13.7%

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: Physics 36%, Horror 23.7%, Multiplayer 20.8%, Exploration 15.4%, Singleplayer 4.1%

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%, Mystery 20.6%, Sci-fi 16.6%, Horror 13.5%, Puzzle 13.4%

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

Why similar: Aliens 35.6%, Shooter 13.3%, Horror 12.6%, Sci-fi 11.6%, Multiplayer 11%

Abiotic Factor is a survival crafting experience for 1-6 players set in the depths of an underground research facility. Caught between paranormal containment failure, a military crusade, and chaos from a dozen realms, the world’s greatest minds must survive against the universe’s biggest threats.

Why similar: Aliens 45.2%, Sci-fi 22%, Multiplayer 18.7%, Exploration 14.1%

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 38.7%, Multiplayer 33.3%, Action 27.9%

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 27.1%, Horror 18.8%, Sci-fi 16.4%, 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 29.7%, Co-op 26%, Action 8.1%, Singleplayer 3.8%

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 50.7%, Action 28.2%, Horror 21%

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 17.1%, 2D 10%

Now with over 600,000 copies sold, ZERO Sievert is a tense top-down extraction shooter that challenges you to scavenge a procedurally-generated wasteland, loot gear, and explore what’s left of a devastated world. When the odds are stacked against you, you’ll need to do more than just survive...

Why similar: Shooter 55.5%, Exploration 21.6%, Action 15.6%, Singleplayer 7.2%

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 30.9%, Shooter 24.9%, Horror 19%, Multiplayer 15.9%, Action 6.2%

The ultimate spy-vs-guards simulator. Carefully sneak your way to the objective as Intruders or use the wide variety of tactical gadgets to trap your opponents as Guards. Intruder allows for stealth, teamwork, and environmental interactions never before seen in a multiplayer game.

Why similar: Physics 40%, Shooter 34.3%, Multiplayer 16.8%, Action 8.9%

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 22% ★, Aliens 19.7%, Thriller 18.4%, Horror 10.9%, Dark 9.9%

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%, Physics 20.3%, Dark 20.3%, Puzzle 13.2%, Exploration 9.4%

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 25.9%, Horror 23.7%, Multiplayer 21.6%, Exploration 14.1%, Sci-fi 10%

A fresh take on top-down shooters with an emphasis on tactics that forces you to make split second decisions. Neutralize criminals, rescue civilians and defuse bombs in Single Player mode or Co-op. And remember - shooting first is not an option!

Why similar: Co-op 31.9%, Shooter 28%, Multiplayer 17.8%, Action 12.3%, 2D 7.4%

Take on the role of a private investigator in this immersive detective simulator. Solve murders and other crimes in a procedurally generated and persistent city where every NPC lives and breathes their own independent lives. Find the killer quickly… or they will kill again!

Why similar: Puzzle 58.7%, Action 26.4%, Singleplayer 15%

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 50.9%, Dark 30%, Action 12.4%, Singleplayer 6.7%

Darkwood - a new perspective on survival horror. Scavenge and explore a rich, ever-changing free-roam world by day, then hunker down in your hideout and pray for the morning light.

Why similar: Dark 27.7%, Horror 26.2%, Action-Adventure 19.1%, Exploration 14%, Action 9%

SULFUR is a modern old-school action-adventure: Outsmart enemies, find treasure, improve weapons, harness powers. Delve deeper, find answers, make it end.

Why similar: Shooter 54.6%, Action-Adventure 30.7%, 2D 14.7%

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 28.7%, Horror 18.4%, Exploration 13.7%, Sci-fi 12.4%, Dark 12.1%

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 28.8%, Dark 28.4%, Horror 20.6%, 2D 10%, Action 8.1%

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 30%, 2D 14.6%, Action 14.1%, Aliens 13.6%, Exploration 12.9%