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 33.6%, Multiplayer 20.9%, Horror 18.5%, Sci-fi 13.6%, 2D 7.8%

Why You'll Like It: A 2D physics-based submarine simulator that perfectly captures the claustrophobic horror and team-based survival of deep-sea exploration.

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 28.5%, Horror 21.1%, Action-Adventure 17.4%, Dark 13.4%, Sci-fi 12.3%

Why You'll Like It: A top-down 2D action-roguelite that captures the gritty, industrial horror aesthetic and tactical combat found in Hidden Deep.

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 30.9%, Dark 18.7%, Action-Adventure 11.7%, Puzzle 10.7%, Horror 9.9%

Why You'll Like It: This 2D puzzle-platformer features a lone diver exploring dangerous underwater environments, mirroring the isolation and atmosphere of Hidden Deep.

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 30.5%, Physics 27.8%, Exploration 20.7%, 2D 12%, Action 5.7%

Why You'll Like It: Its brutal physics-based movement and unforgiving ecosystem create a similar sense of tension and survival in a dark, alien world.

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 29%, Shooter 20.7%, Dark 12.7%, Sci-fi 12.6%, Horror 10.7%

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

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 28.6%, Physics 22%, Puzzle 12.3%, Sci-fi 11.8%, Action 11.1%

Why You'll Like It: A reverse-horror game that utilizes 2D physics and dark, industrial environments to make you feel like the creature lurking in the shadows.

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 34.7%, Shooter 21.8%, Co-op 14.6%, Sci-fi 13.5%, Action 9.5%

Why You'll Like It: A top-down shooter that directly draws inspiration from the same sci-fi horror tropes and claustrophobic corridor combat as Hidden Deep.

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 27.4%, Shooter 25.9%, Horror 22.9%, Multiplayer 18%, Action 5.8%

Why You'll Like It: While first-person, this game shares the intense, tactical, and atmospheric horror of exploring dark, alien-infested research facilities.

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 18.1%, Shooter 17.4%, Horror 11.9%, Sci-fi 10%

Why You'll Like It: A co-op shooter that delivers the classic sci-fi horror combat experience against swarms of aliens in industrial settings.

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 23.8%, Thriller 20.4%, Dark 14.7%, Sci-fi 11.4%, Horror 10.4%

Why You'll Like It: A first-person sci-fi horror game that focuses on atmospheric exploration and the terror of being hunted in a retro-futuristic setting.

STASIS The isometric, point-and-click, sci-fi horror adventure game! In the distant future aboard a seemingly abandoned spacecraft, John Maracheck awakes from stasis. He must push himself to new physical and emotional limits and unravel the mysteries around him.

Why similar: Horror 37%, Sci-fi 34.4%, Puzzle 15.8%, 2D 8.4%, Singleplayer 4.4%

Why You'll Like It: An isometric 2D sci-fi horror game that focuses on environmental storytelling and the dread of being trapped on a derelict research vessel.

There are 6 depths to descend; the further you go, the more terror you will experience. Uncover mysteries, solve puzzles, and immerse yourself in a dark storyline that Inside Depth 6 has to offer. Journey through all 6 depths to uncover the secrets buried within.

Why similar: Thriller 35.9%, Dark 20.3%, Horror 18.2%, Puzzle 9.9%, Exploration 6.3%

Why You'll Like It: A dark, atmospheric horror game that focuses on exploration and the psychological tension of navigating dangerous, unknown environments.

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: Dark 20.2%, Sci-fi 20.1%, Mystery 19.3%, Shooter 13.4%, Puzzle 11%

Why You'll Like It: A top-down sci-fi horror game that emphasizes resource management and atmospheric dread in a decaying, mysterious 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 38.3%, Sci-fi 37.7%, Mystery 8.6%, 2D 5.4%, Exploration 4.3%

Why You'll Like It: A 2D puzzle-platformer that uses physics-based mechanics and a haunting, isolated sci-fi atmosphere to tell a deep narrative.

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 28.1%, Horror 26.1%, Exploration 14.4%, Sci-fi 12.4%, Multiplayer 11.5%

Why You'll Like It: Provides an unparalleled sense of underwater isolation and terror as you explore a vast, alien ocean filled with lethal 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 15.1%, Horror 12.5%, Action-Adventure 10%

Why You'll Like It: A tactical real-time strategy game that captures the tension and squad management required to survive alien encounters.

Relive Half-Life.

Why similar: Aliens 32.3%, Shooter 19.8%, Sci-fi 17%, Horror 11.1%, Multiplayer 9.4%

Why You'll Like It: A faithful remake of a classic sci-fi shooter that emphasizes exploration and the dread of a facility overrun by extraterrestrial forces.

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 32.4%, 2D Platformer 20.9%, Multiplayer 18.4%, Exploration 11.2%, 2D 9.6%

Why You'll Like It: A 2D co-op game that centers on submarine exploration and the Lovecraftian horrors found 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 24.1%, Dark 19.4%, Horror 15.3%, Exploration 10.7%, Action-Adventure 8.6%

Why You'll Like It: A roguelite exploration game that focuses on the dangers of diving into the unknown depths of an alien ocean.

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

Why You'll Like It: The gold standard for claustrophobic sci-fi horror, focusing on dismemberment and survival against grotesque alien threats.

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

Why similar: Sci-fi 30%, Horror 28.6%, Shooter 23.5%, Action 13.8%, Singleplayer 4%

Why You'll Like It: An immersive sim that defines the sci-fi horror genre, emphasizing exploration and survival within a sprawling, hostile research 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 36.3%, Action-Adventure 26.8%, Exploration 19%, Action 11.9%, Singleplayer 6%

Why You'll Like It: Focuses on immersive, physics-based interaction and the constant threat of a stalking predator in a claustrophobic, dark setting.

Take the role of ARID, the artificial intelligence within a high-tech combat suit. The Fall is a unique combination of adventure-game puzzle solving and side-scroller action, all set within a dark and atmospheric story. Get ready for a disturbing journey as you explore the world of The Fall.

Why similar: Sci-fi 36.4%, Puzzle 17.4%, Dark 14.7%, Horror 14.3%, Action 8.9%

Why You'll Like It: A 2D sci-fi puzzle-platformer that explores themes of artificial intelligence and survival in a dark, hostile environment.

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 26.2%, Co-op 23.9%, Horror 19.5%, Multiplayer 17.4%, Action 6.9%

Why You'll Like It: An asymmetric multiplayer game that pits divers against sharks, focusing on the terror of underwater exploration.

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 21.6%, Mystery 21%, Sci-fi 16.6%, Horror 13.5%, Puzzle 13.3%

Why You'll Like It: A survival-horror game that emphasizes exploration and atmospheric tension in a dark, sci-fi setting.

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 34.1%, Horror 17.7%, Shooter 14.9%, Multiplayer 11.1%, Sci-fi 10.7%

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 21.6%, Dark 18.7%, Horror 16.2%, Sci-fi 13.7%, Action-Adventure 12.1%

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 25.1%, Multiplayer 21.9%, Sci-fi 14%, Exploration 13.1%, Mystery 12.7%

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%, Dark 22.5%, Horror 18.2%, Action-Adventure 14.6%, Puzzle 12.1%

Why You'll Like It: A 2D puzzle-platformer that masterfully uses atmosphere and environmental storytelling to convey a sense of dread and mystery.

“Probably the best downloadable title on the market right now.” 9/10 – Eurogamer.se

Why similar: Action 30.3%, Horror 29.5%, 2D 16.5%, Puzzle 14.5%, Singleplayer 9.2%

Why You'll Like It: A 2D cinematic platformer that captures the dark, survival-focused tone of navigating a ruined world.

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

Why similar: Horror 28.5%, Multiplayer 23.6%, Co-op 20%, Action-Adventure 16.4%, Action 8.9%

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 23.5%, Co-op 21.3%, Horror 19.8%, Sci-fi 10%, Multiplayer 9.8%

Hadley wakes in a facility. She is 9 months pregnant. They want her baby... CAYNE is the FREE, isometric horror game from the creators of STASIS.

Why similar: Horror 42.7%, Sci-fi 36.2%, 2D 14.1%, Singleplayer 7.1%

Why You'll Like It: A 2D isometric horror game that delivers a visceral and disturbing sci-fi experience within a high-tech facility.

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 23.2%, Horror 20.6%, Multiplayer 16.7%, Action-Adventure 14.1%, Sci-fi 13.4%

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 20.4%, Dark 15.4%, Action-Adventure 13.4%, Mystery 13%

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 22.7% ★, Aliens 19.4%, Thriller 18.6%, Horror 10.7%, Dark 9.9%

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 17.1%, Horror 15.5%, Shooter 12.4%, Puzzle 10.4%

No More Room in Hell 2 is a terrifying 8 player co-op action horror experience. Find your friends in the dark and survive - in a dynamic, endlessly replayable zombie apocalypse.

Why similar: Co-op 24.1%, Shooter 20.6%, Multiplayer 18.4%, Horror 15.6%, Dark 14.2%

Trapped in a dark, Victorian city consumed by an ancient curse, you must plan your survival and daring escape using nothing but stealth, an arsenal of eccentric weapons, and your wit in this haunting adventure inspired by the immersive sims and survival horror greats of the late 90s and early 2000s.

Why similar: Shooter 22.9%, Physics 21%, Dark 19.5%, Mystery 15.2%, Exploration 12.8%

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 24.6%, Multiplayer 16.2%, Puzzle 14.8%, Exploration 13.8%

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 33.3%, Sci-fi 25%, Exploration 13.6%, Action 12.5%, 2D 9.4%

Gear up, hunt, adapt, survive. Engage in a co-op survival horror experience with up to 4 players online. Explore the haunted location, find the clues and tools needed to complete the ritual and defeat the entity. Will you be able to survive?

Why similar: Dark 19.1%, Action-Adventure 17.2%, Horror 15.3%, Puzzle 14.4%, Mystery 14.1%

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 21.4%, Shooter 18.6%, Horror 13.6%, Mystery 12.3%, Sci-fi 10.9%

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 28.3%, Physics 20.6%, Dark 20.4%, Puzzle 12.9%, Exploration 9.3%

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 33.8%, Action 27.4%

Inside the Backrooms is a horror multiplayer game mixed with different mechanics that will make you spend an intense night with friends. Explore, think, interact, but be careful, it is rumored that there are several entities wishing to find you...

Why similar: Horror 24.9%, Multiplayer 20.5%, Co-op 15.4%, Puzzle 9.6%, Dark 9.2%

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 25.9%, Dark 24.3%, Exploration 18.4%, Action-Adventure 16.6%, 2D 10.1%

In the facility, each step, each shot, each mistake costs precious energy. Rendered entirely in black and white, this mystery can be unravelled. The puzzle can be solved. Don't ask who tried to solve it before. Do the job. Find oxygen and sleep. Go deeper. And don't ask about Aaron.

Why similar: Thriller 19.9%, Shooter 13.7%, Dark 12.6%, Horror 11.4%, Sci-fi 10.2%

Tactical extraction shooter meets immersive survival horror. Play as rival mercenaries fighting for loot, or as alien monsters hunting humans from the shadows. Solo or with friends, experience this unique dark take on asymmetrical PvPvE multiplayer.

Why similar: Aliens 38.1%, Shooter 17.2%, Dark 15%, Multiplayer 13.2%, Horror 12.9%

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 23.3%, Sci-fi 21.7%, Action-Adventure 17.6%, Puzzle 15.5%, Exploration 13.7%

Beneath is a Lovecraft-inspired survival FPS. Scarce ammo, merciless enemies and a sense of the unknown combine in a 10+ hour, story-driven single player campaign, built for both veteran gamers and those seeking a challenging old school experience.

Why similar: Shooter 35.3%, Horror 27.2%, Action-Adventure 22.5%, Action 10.3%, Singleplayer 4.7%

You arrive at Mars Site-113, a decaying monument to the SCP Foundation's ambition—and its failures. Once the most secure facility, now a cradle of horrors calling you to uncover its secrets. Face relentless anomalies, humanity's darkest truths, and a mission that demands survival above all else.

Why similar: Shooter 21.9%, Horror 18.1%, Sci-fi 15.6%, Action-Adventure 13.9%, Puzzle 11.7%

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 26.8%, Horror 18.9%, Sci-fi 16.5%, Puzzle 14.6%, Exploration 13.5%

NIKTOPHOBIA - sci-fi horror for 1-4 players. The team arrives at the space station to extract alien bio-samples. Players will use various tools and manipulate the station's energy to get out of trouble together.

Why similar: Aliens 30.1%, Co-op 14.8%, Horror 14.7%, Multiplayer 12.2%, Action-Adventure 8.7%

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 32.9%, Shooter 29.1%, Co-op 26.2%, Action 7.9%, Singleplayer 3.9%

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 51.3%, Action 27.6%, Horror 21.1%

Survive the chaos of SCP Foundation! Step into a thrilling SCP horror experience with story-driven co-op, intense PvP Breach mode, and randomized maps. Play as Class-D, scientist, SCPs, and more, each role bringing unique challenges in an unpredictable, immersive facility.

Why similar: Shooter 22.3%, Horror 18.2%, Dark 16%, Multiplayer 14.2%, Action-Adventure 12.7%

An ancient evil has awoken in the depths of a remote mining asteroid, stirred from its slumber by man's lust for power. Unaware, you answer a distress call and become stranded, surrounded by monstrous foes. Unravel the mystery of this madness and stop its spread in this horror retro shooter!

Why similar: Shooter 28.1%, Dark 24.6%, Horror 20.8%, Sci-fi 18.8%, Action 7.6%

Deep Space Exploitation is a space mining game featuring 2D physics, fully destructible asteroids, and a story of survival under an exploitative corporation. Use your equipment wisely, upgrade your ship, and make difficult decisions to secure your future!

Why similar: Mining 49.7% ★, Physics 27.1%, Sci-fi 12.7%, 2D 5.5%, Action 5%