- #1 AquaNox 2: Revelation
97% matchMostly Positive76% of 274 reviews2010
Dev: Massive DevelopmentPub: THQ Nordic
Windows
Median: 30 minMean: 4.8 hrs≥1hr: 38%
AQUANOX 2: REVELATION is a new story of the underwater world Aqua. In 2666 a young freighter pilot called William Drake sets out to search for the heritage of a mythical ancestor. He is looking for adventure - and finds greed, ruthlessness, merciless hatred … and also unexpected help.
Why similar: Underwater 51.9% ★, 6DOF 16.2% ★, Action 12.7%, Cyberpunk 9.8%, Sci-fi 6.7%
Why You'll Like It: As the direct sequel, it continues the narrative and gameplay style of the original with improved mechanics and a similar dark, underwater setting.
- #2 Aquanox Deep Descent
96% matchMixed49% of 681 reviews2020
Dev: Digital ArrowPub: THQ Nordic
Windows
Median: 4.5 hrsMean: 5.9 hrs≥1hr: 90%
We left the surface of the Earth in ruins, abandoned it and populated the oceans. The sea is now our new home. We call it Aqua. Pilot customized fighter ships and explore a deep sea dystopia torn by the struggle for resources and survival. Enter the unforgiving world of Aquanox Deep Descent.
Why similar: Underwater 42.2% ★, 6DOF 33.3% ★, Action 10.9%, Shooter 10.3%, Singleplayer 3.4%
Why You'll Like It: This modern reimagining brings the classic underwater vehicular combat experience to a new generation with updated graphics and physics.
- #3 Barotrauma
95% matchVery Positive94% of 84,235 reviews2023
Dev: FakeFishPub: Daedalic Entertainment
Windows · Mac · Linux
Median: 8.9 hrsMean: 54.3 hrs≥1hr: 91%
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: Underwater 74.8% ★, Sci-fi 12.4%, Action 7.7%, Simulation 3.6%, Singleplayer 1.5%
Why You'll Like It: This intense submarine survival game captures the dread and mechanical complexity of operating a vessel in a hostile, alien ocean.
- #4 Overload
96% matchVery Positive94% of 2,119 reviews2018
Dev: Revival Productions, LLC
Windows · Mac · Linux
Median: 3.5 hrsMean: 5.1 hrs≥1hr: 86%
A new six-degree-of-freedom shooter with intuitive controls, amazing lighting and graphics. From the creators of Descent, Overload is the best zero-gravity robot-blasting combat ever.
Why similar: 6DOF 59.8% ★, Action 19.1%, Sci-fi 14%, Shooter 5.4%, Singleplayer 1.8%
Why You'll Like It: Developed by the creators of the original Descent, this is the definitive modern 6DOF shooter that captures the same high-speed combat feel as AquaNox.
- #5 Descent
94% matchVery Positive96% of 471 reviews2014
Dev: ParallaxPub: Interplay Inc.
Windows · Mac · Linux
Median: 12 minMean: 2.1 hrs≥1hr: 25%
Welcome to Descent™ - 27 levels of the most mind-bending, stomach-churning action game ever. Featuring true 3-Dimensional worlds and six degrees of freedom.
Why similar: 6DOF 59.5% ★, Action 18.7%, Shooter 12.7%, Sci-fi 8.6%, Singleplayer 0.5%
Why You'll Like It: This classic title defined the 6DOF genre and shares the same core movement and combat DNA found in the AquaNox series.
- #6 SOMA
94% matchOverwhelmingly Positive96% of 50,500 reviews2015
Dev: Frictional Games
Windows · Mac · Linux
Median: 5.6 hrsMean: 10.2 hrs≥1hr: 89%
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: Sci-fi 52.1%, Action 37.2%, Singleplayer 10.7%
Why You'll Like It: While more horror-focused, it perfectly captures the oppressive, dark, and isolating atmosphere of a sci-fi underwater facility.
- #7 Cold Waters
93% matchVery Positive87% of 4,665 reviews2017
Dev: Killerfish Games
Windows · Mac
Median: 7.5 hrsMean: 22.5 hrs≥1hr: 83%
Spiritual Successor to the Microprose Classic “Red Storm Rising”.
Why similar: Simulation 45.3%, Action 38.9%, Singleplayer 15.8%
Why You'll Like It: This game offers the most authentic modern submarine combat simulation, focusing on the tension and tactical depth of underwater warfare.
- #8 Subnautica
91% matchOverwhelmingly Positive97% of 344,093 reviews2018
Dev: Unknown Worlds Entertainment
Windows · Mac
Median: 13.4 hrsMean: 40.0 hrs≥1hr: 90%
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: Underwater 82.6% ★, Sci-fi 8.9%, Action 5.8%, Singleplayer 2.8%
Why You'll Like It: While it leans into survival, it is the gold standard for immersive, high-stakes underwater exploration in a dangerous sci-fi world.
- #9 X-COM: Terror From the Deep
92% matchVery Positive91% of 914 reviews2007
Dev: MicroProse Software, IncPub: 2K
Windows
Median: 12 minMean: 10.5 hrs≥1hr: 29%
The war continues... X-COM: UFO Defense brought you to a galactic battlefield. X-COM: Terror from the Deep brings the alien terror into a totally new dimension.Seeking to take advantage of a weakened Earth, X-COM's deep space foes unexpectedly change strategy and launch a powerful second front against planet Earth.
Why similar: Underwater 77% ★, Sci-fi 20.9%, Singleplayer 2.1%
Why You'll Like It: A classic strategy title that shares the same underwater sci-fi aesthetic and high-stakes tension as the AquaNox universe.
- #10 System Shock
90% matchVery Positive91% of 12,269 reviews2023
Dev: Nightdive StudiosPub: Atari
Windows
Median: 4.1 hrsMean: 13.3 hrs≥1hr: 74%
A first-person fight to the death in the depths of space!
Why similar: Cyberpunk 39.4%, Sci-fi 24.5%, Action 23.1%, Shooter 9.4%, Singleplayer 3.6%
Why You'll Like It: This immersive sim shares the cyberpunk, high-tech, and dystopian atmosphere that defines the world-building of the AquaNox series.
- #11 Subsiege
91% matchMixed55% of 97 reviews2018
Dev: Icebird Studios
Windows
Median: 2.9 hrsMean: 3.2 hrs≥1hr: 80%
Subsiege is an intense real-time tactic game with focus on massive 12 player battles. In a grasping deep sea world, you command a hand-picked squad of hero-like units to contend merciless sea monsters and fierce competitors while your oxygen runs out with every breath. Can you stand the pressure?
Why similar: Underwater 100% ★
Why You'll Like It: A tactical underwater combat game that emphasizes vehicular warfare and intense team-based encounters in a high-pressure environment.
- #12 Deus Ex: Game of the Year Edition
89% matchVery Positive95% of 15,238 reviews2007
Dev: Ion StormPub: Eidos Interactive Corp.
Windows
Median: 54 minMean: 11.1 hrs≥1hr: 47%
The year is 2052 and the world is a dangerous and chaotic place. Terrorists operate openly - killing thousands; drugs, disease and pollution kill even more. The world's economies are close to collapse and the gap between the insanely wealthy and the desperately poor grows ever wider.
Why similar: Cyberpunk 57.6%, Sci-fi 21.2%, Action 13.9%, Shooter 3.7%, Singleplayer 3.6%
Why You'll Like It: It offers the same gritty, cyberpunk world-building and narrative depth that fans of the AquaNox setting will appreciate.
- #13 Freespace 2
89% matchMostly Positive79% of 316 reviews2014
Dev: Volition IncPub: Interplay Corp
Windows
Median: 6 minMean: 7.2 hrs≥1hr: 24%
FreeSpace 2, the follow up to the classic Descent: FreeSpace – The Great War is ready to engage you in the second round. Follow the Grand Terran Vasudan Alliance further into the mysteries of the Shivans. Get your flight stick and hit the flight deck. The last time was just a warm up.
Why similar: Sci-fi 49.6%, Action 35.4%, Simulation 12.2%, Singleplayer 2.8%
Why You'll Like It: Though set in space, its high-intensity 6DOF vehicular combat and squad-based mission structure are very similar to the combat loops in AquaNox.
- #14 Depth
87% matchVery Positive88% of 32,723 reviews2014
Dev: Ammobox Studios
Windows
Median: 4.5 hrsMean: 35.7 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 76.9% ★, Action 11.5%, Shooter 10.4%, Singleplayer 1.2%
Why You'll Like It: An asymmetric multiplayer game that captures the visceral, high-tension combat of being hunted in the deep ocean.
- #15 Alpha Prime
88% matchMixed56% of 1,505 reviews2007
Dev: Black ElementPub: Bohemia Interactive
Windows
Median: 42 minMean: 25.3 hrs≥1hr: 44%
Somewhere in deep space, at an apparently abandoned mining base on the asteriod Alpha Prime, something has gone terribly wrong. Miners were warned that the hubbardium they were mining was too dangerous, but the lure of unimaginable wealth was too strong.
Why similar: Action 46.8%, Sci-fi 29.3%, Shooter 19.9%, Singleplayer 4%
Why You'll Like It: A sci-fi FPS that captures the retro-futuristic aesthetic and linear combat style of early 2000s shooters.
- #16 UBOAT
84% matchVery Positive85% of 25,707 reviews2024
Dev: Deep Water StudioPub: PlayWay S.A.
Windows
Median: 7.5 hrsMean: 50.9 hrs≥1hr: 83%
UBOAT is a simulator of a submarine from WWII era. It is a survival sandbox with crew management mechanics while its primary theme is life of German sailors. The boat is their home, but it can become their grave at any time.
Why similar: Action 39.8%, Shooter 29.4%, Simulation 19.1%, Singleplayer 11.7%
Why You'll Like It: A hardcore submarine simulation that focuses on the technical and survival aspects of managing a crew and vessel under extreme pressure.
- #17 EVERSPACE™
86% matchMostly Positive78% of 11,373 reviews2017
Dev: ROCKFISH Games
Windows · Mac · Linux
Median: 2.8 hrsMean: 10.0 hrs≥1hr: 75%
EVERSPACE™ combines fast-paced combat with roguelike elements, great visuals and a captivating story. It takes you on a challenging journey through an ever-changing, beautifully crafted universe full of surprises. Shoot, craft and loot your way to victory while the odds are stacked against you.
Why similar: Action 34.8%, Sci-fi 25.8%, 6DOF 24.2% ★, Shooter 10.2%, Singleplayer 3.8%
Why You'll Like It: A 6DOF combat game that blends roguelike elements with satisfying ship-to-ship combat in hazardous environments.
- #18 Strike Suit Zero: Director's Cut
86% matchVery Positive82% of 387 reviews2014
Dev: Born Ready Games
Windows
Median: 2.5 hrsMean: 4.1 hrs≥1hr: 85%
In the year 2299, an interstellar war rages on. In a bid to save Earth from destruction, you must take control of the Strike Suit – a revolutionary fighter craft with the ability to transform into a lethal suit of space armor.
Why similar: Action 49%, Sci-fi 36.1%, Shooter 9.3%, Simulation 3.5%, Singleplayer 2%
Why You'll Like It: This game features fast-paced 6DOF combat that allows for fluid movement and intense dogfighting against large-scale sci-fi threats.
- #19 Iron Lung
83% matchVery Positive92% of 10,453 reviews2022
Dev: David Szymanski
Windows
Median: 1.5 hrsMean: 2.0 hrs≥1hr: 68%
A short horror game where you pilot a tiny submarine through an ocean of blood on an alien moon.
Why similar: Underwater 88.9% ★, Sci-fi 11.1%
Why You'll Like It: This short, intense experience captures the claustrophobia and dread of navigating a tiny vessel through an alien ocean.
- #20 Narcosis
84% matchMostly Positive76% of 1,427 reviews2017
Dev: Honor Code, Inc.
Windows · Mac
Median: 2.9 hrsMean: 4.0 hrs≥1hr: 84%
Survival, horror at the sunless depths of the Pacific Ocean: Stranded on the seafloor with low light and few tools, an industrial diver takes desperate steps to surface before his oxygen — and sanity — give out.
Why similar: Underwater 100% ★
Why You'll Like It: A survival horror game that emphasizes the vulnerability and isolation of being trapped on the ocean floor.
- #21 Hydrophobia: Prophecy
85% matchMixed60% of 2,374 reviews2011
Dev: Dark Energy Digital Ltd.
Windows
Median: 1.1 hrsMean: 3.1 hrs≥1hr: 51%
The ultimate edition of the jaw-dropping action-adventure game set onboard a floating city.
Why similar: Underwater 45% ★, Action 38%, Sci-fi 12.4%, Singleplayer 4.5%
Why You'll Like It: An action-adventure game that features advanced water physics and underwater combat scenarios.
- #22 Chasm: The Rift
82% matchVery Positive84% of 448 reviews2022
Dev: Action FormsPub: SNEG
Windows
Median: 1.4 hrsMean: 4.6 hrs≥1hr: 57%
Prepare for terror in this ground-breaking classic old-school FPS. Following the destruction of Time you are left to battle in this horrific hellhole of multilevel interconnected missions populated by gruesome grotesque creatures.
Why similar: Action 33.1%, Shooter 30.2%, Sci-fi 29%, Singleplayer 7.8%
Why You'll Like It: A classic-style shooter that provides the same fast-paced, old-school combat mechanics found in the original AquaNox.
- #23 Murky Divers
79% matchVery Positive88% of 5,170 reviews2024
Dev: Embers
Windows
Median: 2.9 hrsMean: 6.0 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 82.9% ★, Sci-fi 10.9%, Action 6.2%
Why You'll Like It: A cooperative horror game that involves diving into dangerous, murky waters to retrieve data from abandoned facilities.
- #24 Submarine Titans
81% matchVery Positive87% of 350 reviews2020
Dev: Ellipse StudiosPub: Strategy First
Windows
Median: 30 minMean: 5.5 hrs≥1hr: 41%
Submarine Titans is a real-time strategy video game that takes place in the year 2115 after a comet has struck Earth, driving two human factions, the militant White Sharks and the scientific Black Octopi, to establish underwater bases and fight for dominance over the oceans.
Why similar: Underwater 59.9% ★, Simulation 22.9%, Sci-fi 14.5%, Singleplayer 2.7%
Why You'll Like It: A classic real-time strategy game set entirely underwater, featuring sci-fi factions and base-building mechanics.
- #25 Biolum
80% matchVery Positive83% of 118 reviews2021
Dev: IKOPub: Astrea
Windows
Biolum is a 30min VR sci-fi narrative experience. Dive to uncharted depths of the ocean and discover a beautiful world of bioluminescent creatures. But all is not what it seems. What lies beneath the surface?
Why similar: Underwater 58.3% ★, 6DOF 20.7% ★, Sci-fi 13.5%, Action 5.9%, Singleplayer 1.6%
Why You'll Like It: A narrative-driven underwater exploration game that focuses on the beauty and mystery of deep-sea life.
- #26 The Aquatic Adventure of the Last Human
81% matchMostly Positive75% of 494 reviews2016
Dev: YCJY Games
Windows · Mac · Linux
Median: 3.9 hrsMean: 4.7 hrs≥1hr: 89%
Explore the ruins of the human race and discover the thriving wildlife that blossomed after our extinction in this underwater action/adventure. Encounter monstrous creatures and let curiosity guide you through an inevitable voyage of extinction.
Why similar: Underwater 83.9% ★, Action 14.8%, Singleplayer 1.2%
Why You'll Like It: A metroidvania that explores a ruined, underwater world with a focus on atmosphere and challenging boss encounters.
- #27 Death in the Water
78% matchMostly Positive72% of 295 reviews2019
Dev: Lighthouse Games Studio
Windows · Mac
Median: 24 minMean: 2.6 hrs≥1hr: 21%
How long will you survive in this open water diving experience as you go head to head with terrifying Great Whites as they threaten to tear you apart?!
Why similar: Underwater 72.4% ★, 6DOF 13.4% ★, Action 9.9%, Simulation 3.2%, Singleplayer 1.1%
- #28 Death in the Water 2
75% matchVery Positive83% of 1,771 reviews2023
Dev: Lighthouse Games Studio
Windows
Median: 3.0 hrsMean: 7.7 hrs≥1hr: 77%
Dodge and carve your way through swarms of terrifying sea creatures controlled by Death, a vicious giant mind-controlling Kraken that haunts your every move. Scavenge for hidden treasure to unlock weapons, and upgrades to help you in your fight for survival. Every dive reveals a new nightmare.
Why similar: Underwater 66.9% ★, 6DOF 20.8% ★, Shooter 5.9%, Action 5.2%, Singleplayer 1.2%
- #29 Aphotic Descent
76% matchMixed64% of 78 reviews2023
Dev: Broiled Squid Studios
Windows
In Aphotic Descent, you play as a diver whose submarine crashed at the bottom of the ocean. With no other option for survival, you must make your way to a nearby underwater research facility facing terrifying creatures, all while descending deeper and deeper...
Why similar: Underwater 84.7% ★, Action 12.8%, Singleplayer 2.4%
- #30 The Dive
77% matchMixed58% of 76 reviews2021
Dev: W0nnaFight
Windows
Linear underwater horror game about a search dive that quickly turns into fight for survival after an encounter with hellish creature.
Why similar: Underwater 86.8% ★, Action 11.7%, Singleplayer 1.5%
- #31 CRUSH DEPTH
73% matchVery Positive98% of 54 reviews2025
Dev: Earth Giant
Windows
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: Underwater 74.1% ★, Sci-fi 13.6%, Action 8.3%, Simulation 2.8%, Singleplayer 1.2%
- #32 Abyss of Neptune
76% matchMixed69% of 221 reviews2021
Dev: Abyssmal GamesPub: Synodic Arc
Windows
Abyss of Neptune is a survival horror game set in the deep seas of the Bermuda Triangle. You are sent to investigate a mysterious underwater signal, but there is more to it than meets the eye. Do you have what it takes to survive the abyss?
Why similar: Underwater 86.4% ★, Action 12.2%, Singleplayer 1.4%
- #33 Death In Abyss
73% matchVery Positive82% of 126 reviews2025
Dev: Agelvik
Windows
Death In Abyss is an intense flight shooter that challenges you to utilize your maneuverability and explosive firepower to survive against the deep-sea hostilities. In your descent, the nightmares can only get worse.
Why similar: Underwater 56.9% ★, Sci-fi 14.7%, Action 14%, Shooter 11%, Singleplayer 3.3%
- #34 Hell Dive
72% matchVery Positive94% of 67 reviews2025
Dev: Teacup Games
Windows
Hell Dive is a first-person horror game where you are a Maritime Operative alone aboard a submarine. Sent on a mission to revive an abandoned deep-sea colony, you uncover dark secrets as terrifying and deadly horrors await in its depths
Why similar: Sci-fi 86.4%, Singleplayer 13.6%
- #35 Underwater
74% matchMixed68% of 75 reviews2021
Dev: Andreev WorldsPub: Gamesforgames
Windows
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: Action 68.7%, Singleplayer 31.3%
- #36 The Trench
72% matchVery Positive86% of 154 reviews2022
Dev: Omar Chapa Hernandez
Windows
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 80% ★, Sci-fi 10%, Action 9.6%, Singleplayer 0.4%
- #37 Under: Depths of Fear
73% matchMixed68% of 299 reviews2020
Dev: Globiss InteractivePub: Rogue Games, Inc.
Windows
Enter the mind of traumatized WW1 veteran Alexander Dockter and experience the terrorizing nightmare of trying to escape a sinking ocean liner while being haunted by the most terrifying entities you’ve ever come across.
Why similar: Action 82.5%, Singleplayer 17.5%
- #38 Painkiller Redemption
75% matchMixed46% of 740 reviews2011
Dev: Eggtooth TeamPub: Prime Matter
Windows
Median: 42 minMean: 7.2 hrs≥1hr: 44%
Welcome to a world of pain. Heaven is once again in danger and threatened by a reckless army of hell spawn monsters - and they will stop at nothing.
Why similar: Action 71%, Shooter 29%
- #39 The Oily Depths
69% matchVery Positive83% of 70 reviews2026
Dev: Ryan R. Burns
Windows
Operate an oil-drilling submarine while taking instructions from a mysterious voice. Fail your quota, and they’ll cut your oxygen. This is deep-sea horror. Obey or drown.
Why similar: Underwater 93.2% ★, Simulation 4%, Singleplayer 2.8%
- #40 Subterror
69% matchVery Positive90% of 472 reviews2025
Dev: Team Monumental
Windows
Median: 2.5 hrsMean: 4.0 hrs≥1hr: 74%
Explore abandoned biospheres at the bottom of the ocean, alone or with up to 4 friends.
Why similar: Underwater 84% ★, Action 13.9%, Singleplayer 2.2%
- #41 Under The Waves
69% matchMostly Positive78% of 1,801 reviews2023
Dev: Parallel StudioPub: Spotlight by Quantic Dream
Windows
Median: 2.5 hrsMean: 22.1 hrs≥1hr: 70%
Stan, a professional diver in the North Sea, is struggling to overcome a life-changing loss during an extended mission underwater. Stuck in his self-imposed solitude, he starts to experience strange events and will have to make the most significant choice of his life...
Why similar: Underwater 87.3% ★, Sci-fi 9.7%, Singleplayer 3%
- #42 NecroVision
71% matchMixed68% of 1,864 reviews2009
Dev: The Farm 51Pub: Fulqrum Publishing
Windows
Median: 1.2 hrsMean: 4.8 hrs≥1hr: 54%
War is Hell. NecroVision is a first-person shooter that takes gamers across the frantic battlegrounds of World War I and into a dark underworld of vampires, demons and dark magic.
Why similar: Action 57%, Shooter 21.4%, Sci-fi 16.2%, Singleplayer 5.4%
- #43 Darkwater
65% matchVery Positive80% of 940 reviews2026
Dev: Targon StudiosPub: Playstack
Windows
Median: 3.8 hrsMean: 5.9 hrs≥1hr: 86%
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: Underwater 84.2% ★, Sci-fi 12.9%, Singleplayer 3%
- #44 BioShock™
68% matchVery Positive94% of 31,721 reviews2007
Dev: 2K BostonPub: 2K
Windows
Median: 2.4 hrsMean: 9.6 hrs≥1hr: 67%
BioShock is a shooter unlike any you've ever played, loaded with weapons and tactics never seen. You'll have a complete arsenal at your disposal from simple revolvers to grenade launchers and chemical throwers, but you'll also be forced to genetically modify your DNA to create an even more deadly weapon: you.
Why similar: Underwater 50.3% ★, Action 20.8%, Sci-fi 13.1%, Shooter 10.8%, Singleplayer 5.1%
- #45 Shark Attack Deathmatch 2
68% matchMostly Positive76% of 1,888 reviews2019
Dev: Lighthouse Games Studio
Windows
Median: 2.6 hrsMean: 5.8 hrs≥1hr: 83%
Combat in Shark Attack Deathmatch 2 is savage, gritty, and brutal. Players hunt each other down in various game modes with the constant threat of terrifying sharks joining in on the bloodshed. Tear divers apart as you take on the role as the ocean's top apex predator, The Great White.
Why similar: Underwater 77.3% ★, Shooter 11.8%, Action 10.9%
- #46 Still Wakes the Deep
64% matchVery Positive88% of 10,965 reviews2024
Dev: The Chinese RoomPub: Secret Mode
Windows
Median: 4.8 hrsMean: 6.1 hrs≥1hr: 84%
1975. Disaster strikes the Beira D oil rig off the coast of Scotland. Navigate the collapsing rig to save your crew from an otherworldly horror on the edge of all logic and reality in this 3x BAFTA Games Award-winning narrative horror experience.
Why similar: Underwater 71.8% ★, Sci-fi 14.2%, Action 10.7%, Singleplayer 3.3%
- #47 Sonar Shock
66% matchVery Positive81% of 227 reviews2024
Dev: Raphael Bossniak
Windows · Linux
Submarine’s haunted! Hunt and be hunted in this horror dungeon crawler inspired by the decay of the Soviet Union (and immersive RPGs from the 90s).
Why similar: Action 100%
- #48 CRIMSON METAL Classic 1999
70% matchMixed51% of 304 reviews2017
Dev: Madbox Entertainment
Windows
Median: 4.2 hrsMean: 7.9 hrs≥1hr: 96%
CRIMSON METAL - Far from Perfect, brutal and merciless.
Why similar: Action 43%, Sci-fi 21.7%, Shooter 17.9%, Simulation 12.4%, Singleplayer 5%
- #49 Painkiller: Recurring Evil
70% matchMixed43% of 466 reviews2012
Dev: Med-ArtPub: Prime Matter
Windows
Median: 36 minMean: 7.8 hrs≥1hr: 41%
Battle never ceases in the realm known as Hell. This time around it's a battle for the freedom of your very soul. Will you be able to escape from the prison hidden in the darkest deepest chasm of Hell? Do you have enough courage to travel through the most dangerous and twisted areas, infamous for their unsafety, even among demons...
Why similar: Action 77.6%, Shooter 22.4%
- #50 Solitude Underwater
67% matchMixed62% of 81 reviews2022
Dev: Maximus AktypisPub: Big MA16 Studios
Windows · Linux
Solitude Underwater is a short horror adventure game. Two treasure-hunting brothers are searching for sunken riches off the coast of South Africa, only to find themselves immersed in catastrophe after one of them gets trapped in a cage, deep inside shark-infested waters.
Why similar: Underwater 73.4% ★, Action 23.7%, Singleplayer 2.9%
- #51 Dive The Depths
64% matchMostly Positive77% of 112 reviews2025
Dev: FrizuoPub: Starpixel Studios
Windows
Dive The Depths is an action-roguelike set beneath the ocean's surface. As a humble diver, you must navigate the world filled with bizarre sea creatures, submerged ruins, and forgotten histories. Can you conquer the depths and unravel the secrets that hidden beneath the waves?
Why similar: Underwater 84.1% ★, Action 11.2%, Singleplayer 4.7%