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Games Like Blue Oath

60+ similar titles based on shared tags and player behavior. Themes include Submarine, Underwater, Exploration, Adventure.

Blue Oath header art

Blue Oath is a solo combat action-adventure game in which you play as a warrior swordfish who sets out on a journey to free a giant, cursed moray eel. Using powerful dash attacks, you can impale enemies and objects onto your beak, stack them, and throw them back as weapons or tools.

Reviews: Positive — 100% — of 23 reviews
Released: 2026-06-30
Developer: SwordStack Studios
Publisher: ISART DIGITAL
Genres: Action, Adventure, Casual, Indie, Free To Play
Platforms: Windows

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  1. #1 The Gates of Neptune
    97% matchNo user reviews
    Dev: Lionheart Studios LLC
    Windows

    You are deployed back to planet Earth to recover a meteor-struck escape pod crew. While on your mission you find yourself discovering ancient ruins, new creatures, and ancient powers. The deeper you go, the closer you get to finally solving the mysteries of the most famous lost city.

    Why similar: Submarine 30.3%, Underwater 20.2%, Hack and Slash 10.2%, Action-Adventure 9.3%, Stylized 5.6%

  2. #2 CRUSH DEPTH
    96% matchVery Positive99% of 67 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: Submarine 37.3%, Underwater 31.9%, Lore-Rich 9.5%, Action-Adventure 7.6%, Exploration 3.5%

  3. #3 Sub-Species
    96% matchNo user reviews
    Dev: Howling Hamster Entertainment
    Windows

    At first the alien outbreak spreading throughout the oceans was confined. We delayed our extinction rather than avert it. As part of a salvage crew, you search the hellish containment zones, where a treasure trove of lost tech can help you and your crew eke out a living in a slowly dying world.

    Why similar: Submarine 37.3%, Underwater 29.7%, Action-Adventure 9.4%, Stylized 5.4%, Action 4.3%

  4. #4 Sunken Seeker
    95% match4 user reviews50% of 4 reviews2026
    Dev: Reckonment Studio
    Windows

    Sunken Seeker is a short, first-person underwater horror experience. Forced to pilot a decaying submersible, you have 7 days to pay off a massive debt. Navigate pitch-black waters, scan for salvage beyond your headlights, and survive the shift before the Director cuts your life support.

    Why similar: Submarine 48.7%, Underwater 37.1%, Exploration 5%, Adventure 4%, 3D 3.9%

  5. #5 Scyla
    94% matchPositive81% of 16 reviews2024
    Dev: Belice StudiosPub: Voxel School
    Windows

    Dive into the waters of Scyla, a third-person 3D exploration adventure inspired by Lovecraft's universe. Discover the mysteries hidden into the depths as you pilot a submarine through a strange cave system. Run away from a criature that stalks you.

    Why similar: Submarine 43.9%, Underwater 30.8%, Action-Adventure 7.5%, Lore-Rich 4.8%, Exploration 3.9%

  6. #6 Voice of the Ocean
    94% matchPositive84% of 44 reviews2025
    Dev: Pablo Mata GámezPub: Hogeschool West-Vlaanderen
    Windows

    Voice of the Ocean is a single-player adventure about a lost world, and the echoes of a forgotten past. Use your voice to sing ancient melodies and explore a world lost beneath the waves. Dive into the depths to uncover the power within your song and learn why you may be the last of your kind.

    Why similar: Submarine 43.3%, Underwater 23.7%, Action-Adventure 10.9%, Exploration 5.3%, 3D 4.5%

  7. #7 Thalassophobia
    93% matchPositive100% of 12 reviews2024
    Dev: NGreenDev
    Windows

    As a cataclysmic event rocks the planet, you find yourself in an old, decrepit submarine tasked with only one goal: survive. Manage the internal systems to keep yourself alive and fend off undersea horrors as they attempt to cut your journey short.

    Why similar: Submarine 58.5%, Underwater 36.3%, 3D 3.9%, Singleplayer 1.3%

  8. #8 Burn Depth
    92% matchNo user reviews
    Dev: Luke Van Zandt
    Windows

    Burn Depth is an tense, underwater, horror exploration game. Find a path through a dangerous and unexplored area of the ocean filled with menacing creatures. Manage your vessel's resources, survive the dive, and uncover the mysteries beneath the sea floor.

    Why similar: Submarine 39%, Underwater 30%, Lore-Rich 8.9%, Action-Adventure 7.2%, Stylized 4.7%

  9. #9 The Abyss Below
    90% matchMostly Positive79% of 57 reviews2026
    Dev: Broken RelayPub: PostHuman Interactive
    Windows

    The year is 1997. Pilot a small submersible into the depths of the Pacific to investigate a massive sonar anomaly. Navigate by instruments, scan targets, and uncover something far older than it should be.

    Why similar: Submarine 48.6%, Underwater 38.1%, Exploration 5.2%, 3D 4.2%, Adventure 3.3%

  10. #10 ABYSS - 9
    91% matchNo user reviews
    Dev: Iron Cat Forge
    Windows

    In the year 5026, you are a disposable miner sent to the bottom of the ocean on the ABYSS-9 expedition. Pilot your 'iron coffin', manage unstable vital systems, and survive uncharted abyssal creatures. In the abyss, silence is as dangerous as the pressure.

    Why similar: Submarine 42.8%, Underwater 32.7%, Action-Adventure 7.3%, Adventure 4.8%, Combat 3.3%

  11. #11 Plasticalypse - Submarine Adventures
    91% match9 user reviews56% of 9 reviews2021
    Dev: FLUXO GAMES
    Windows

    A journey of the last ocean cleaner submarine that is tasked to restore the ecosystem of a dying earth. "Plasticalypse: TrashSub Adventures“

    Why similar: Submarine 38.9%, Underwater 35.6%, Action-Adventure 9.3%, Exploration 4.5%, Adventure 3.9%

  12. #12 Cave Dive
    89% match2 user reviews50% of 2 reviews2025
    Dev: Zyndrosoft Interactive
    Windows

    Discover a vast and mysterious underwater world hidden beneath a remote cave on the surface. With procedurally generated cave systems and up to 9,999 unique underwater environments to explore, no two dives are ever the same.

    Why similar: Submarine 39.1%, Underwater 25.6%, Action-Adventure 13.7%, Adventure 7.2%, Exploration 5.3%

  13. #13 Abyssalis
    89% matchNo user reviews
    Dev: Veneficus
    Windows

    Descend through the ocean layers, purify marine life, and survive the abyss in this bullet hell roguelite. Face colossal bosses, choose powerful upgrades, and uncover the curse's origin. Can you save the ocean before you become fish bait?

    Why similar: Submarine 45.8%, Underwater 39.2%, Action-Adventure 4.7%, Action 2.9%, Adventure 2.7%

  14. #14 Under The Waves
    87% matchMostly Positive78% of 2,062 reviews2023
    Dev: Parallel StudioPub: Spotlight by Quantic Dream
    Windows
    Median: 2.7 hrsMean: 20.1 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 46.3%, Submarine 36.1%, Adventure 6.8%, Exploration 5.3%, 3D 2.8%

  15. #15 Ellisar
    88% matchMostly Positive77% of 168 reviews2022
    Dev: Cogames Studio
    Windows

    Dive into this magical underwater adventure. Explore a corrupted environment moving with your two transformations to help fix the disaster that almost ended life around your world. Ellisar is a third person contemplative exploration and adventure game.

    Why similar: Submarine 42.2%, Underwater 29.7%, Action-Adventure 7.8%, Exploration 4%, Linear 3.5%

  16. #16 Cleaning The Ocean
    86% matchNo user reviews
    Dev: Nasheik
    Windows · Linux

    The ocean didn't get dirty on its own. Pilot your submarine through vast underwater worlds, collect the trash humanity left behind, and uncover what's been growing in the dark. Clean, explore, upgrade and try not to look too closely at what's following you.

    Why similar: Submarine 52.9%, Underwater 33.7%, Colorful 4.7%, Adventure 4.3%, Exploration 2.3%

  17. #17 Under the Sea
    86% match1 user reviews0% of 1 reviews2021
    Dev: PixelPerBits
    Windows

    Under the Sea is a 3D survival mini game based on time attack, race against time to survive, collect the lights and gain time to live in a world full of enemies.

    Why similar: Submarine 42.2%, Underwater 31.2%, Action-Adventure 7.7%, Top-Down 4.9%, Adventure 3.7%

  18. #18 Under the Water Depths
    85% match9 user reviews50% of 9 reviews2023
    Dev: Submerged Squad
    Windows

    Under the Water Depths is a first-person game in which you will dive into a trench in the middle of an unknown ocean. The depths of the sea hide sinister yet mystical secrets.

    Why similar: Underwater 45.7%, Submarine 36.8%, Adventure 6.4%, Exploration 4.9%, 3D 2.9%

  19. #19 Aquarift
    84% matchNo user reviews
    Dev: FloxStudios
    Windows

    Survive in a harsh underwater environment filled with mysterious and aggressive fauna. Gather resources, build bases, and craft equipment to explore an underwater alien world! Swim through interconnected biomes in a metroidvania style.

    Why similar: Submarine 54.8%, Underwater 36.6%, Adventure 4.4%, Action 2.9%, Singleplayer 1.2%

  20. #20 Kosmocean - The Endless Sea
    83% matchNo user reviews
    Dev: Warp Zone Corporation
    Windows

    Adventure and submarine exploration game. Control your Bathyscaphe with the help of a logbook. Through the game puzzles, bullet-hell sequences, and skill-based challenges, you will be plunged miles and miles into the depths where the ocean seems to have no end.

    Why similar: Submarine 47.8%, Underwater 32.2%, Adventure 3.8%, Exploration 3.5%, Colorful 3.5%

  21. #21 Abyssal Rust
    82% matchNo user reviews
    Dev: Inmersionbit
    Windows

    Navigate an open-world ocean in a rusted submarine with monstrous creatures lurking in the depths. Collect artifacts, upgrade your submarine and descend into even deeper waters. If you didn’t fear the deep sea before, now you will.

    Why similar: Submarine 46.2%, Underwater 40.6%, Action-Adventure 3.8%, Exploration 3.6%, Adventure 3%

  22. #22 Discoveries of the Deep
    84% match2 user reviews100% of 2 reviews2021
    Dev: Capstone SoftwarePub: Ziggurat
    Windows

    Join an expedition to the unexplored abyss – a fascinating world of strange creatures, lost vessels, and a wealth of untold secrets. Search for ancient wrecks, underwater trenches, missing airplanes, and even the Titanic. Climb on board your mini-sub and dive as deep as you dare!

    Why similar: Submarine 49.4%, Underwater 42%, Exploration 4.6%, Colorful 3.1%, Singleplayer 0.9%

  23. #23 Submarine Terror
    82% matchPositive89% of 18 reviews2024
    Dev: Sungame Studio
    Windows

    A sinister entity lurks in the depths. Descend into the abyss and extract knowledge about it.

    Why similar: Submarine 56.5%, Underwater 33.6%, Action-Adventure 4.8%, Adventure 1.9%, Exploration 1.8%

  24. #24 Hadal
    81% matchNo user reviews2026
    Dev: CoralHeavens
    Windows

    Guide a Nereid Freight submarine crew through Europa’s hostile under-ice oceans. Deliver essential cargo, salvage wrecks, repair failing stations, hunt dangerous lifeforms, and survive in the crushing darkness where every dive carries risk — and nothing stays quiet for long.

    Why similar: Submarine 46.7%, Underwater 31.9%, Action-Adventure 9.1%, Exploration 3.6%, 3D 2.6%

  25. #25 Beans or Bones
    80% matchNo user reviews
    Dev: Christian Wiele
    Windows

    A fun 2-player online co-op pirate game for having a good time with your best buddy. Stranded on a cannibal island, your only chance of survival is to make the cannibals like veggie food. Go on quests, fly with birds, paddle in a barrel, and use your bubble shooter to fight sharks.

    Why similar: Submarine 40.2%, Underwater 28.3%, Action-Adventure 9%, Stylized 5%, Linear 4%

  26. #26 Candellum
    76% matchVery Positive96% of 387 reviews2026
    Dev: Out of Seats StudioPub: ISART DIGITAL
    Windows

    Play as a candle warrior fighting to keep your flame alive in a world where fire means life and death. Steal wax from enemies to survive, wield your flame tactically in intense hack-and-slash combat, and uncover the dark secrets of a dormant wax factory filled with danger !

    Why similar: 3D Fighter 46%, Hack and Slash 18.3%, Action-Adventure 8.3%, Action 6.4%, Adventure 5.6%

  27. #27 Pearls of the Oceans
    81% match1 user reviews100% of 1 reviews2021
    Dev: Group Launch Inc.Booster Play
    Windows

    Together for the Planet! Evade and outsmart the many dangers of the oceans, collect the Pearls to save the World. Stay on your toes through 100 handcrafted levels and challenge yourself to climb the leaderboard and prevent the war to begin.

    Why similar: Underwater 34.9%, Submarine 34.7%, Action-Adventure 10.3%, Colorful 5.6%, Linear 4%

  28. #28 Subcontractors
    79% matchNo user reviews
    Dev: HasteDev
    Windows

    You and up to 7 fellow subcontractors have been hired to deliver volatile cargo through dangerous depths. Stay coordinated, keep the payload intact, and try not to panic when everything goes wrong. The company expects delivery.

    Why similar: Submarine 47.1%, Underwater 31.6%, Action-Adventure 7.9%, Action 3.9%, Stylized 3.5%

  29. #29 Coralium
    78% matchNo user reviews
    Dev: Tamarillo Games
    Windows

    Coralium is a 2.5D platform adventure where a magical baby coral restores the dying reef. Collect bleached corals, learn powers from sea creatures, and switch between water and air to solve puzzles, uncover secrets, and bring life back to the ocean.

    Why similar: Underwater 39.9%, Submarine 34.2%, Action-Adventure 8.3%, Adventure 4.8%, Action 4.7%

  30. #30 Shrimpact
    77% match3 user reviews67% of 3 reviews2026
    Dev: Arthur TirezPub: Crazy Ghoul
    Windows

    In Shrimpact you'll need to fight your friends! Use your boxing skills to punch eachother of the arena, but beware of the Clam who shoots out exploding pearls! Punch, throw and dash all you can in this chaotic battle!

    Why similar: 3D Fighter 29.6%, Underwater 25.6%, Submarine 24.8%, Stylized 6.3%, Combat 4.4%

  31. #31 Sea under the sea under the sea
    77% match6 user reviews17% of 6 reviews2024
    Dev: MA
    Windows

    An underwater survival horror game where the Earth is covered in water

    Why similar: Submarine 50.8%, Underwater 38.9%, Exploration 5.5%, Action 3.6%, Singleplayer 1.1%

  32. #32 The Mara Witch
    76% matchNo user reviews
    Dev: Urban Gurus Limited
    Windows

    "The Mara Witch" invites players to embark on an unforgettable journey deep into the heart of Africa. Assume the role of Leboo, a young Maasai warrior navigating a landscape fraught with tragedy, betrayal, and mystical encounters.

    Why similar: 3D Fighter 40.8%, Action-Adventure 12.6%, Top-Down 11.3%, Action 6.5%, Adventure 6.1%

  33. #33 Scavenger Run
    75% matchNo user reviews
    Dev: Paul Kelsey
    Windows

    Scavenger Run is an action rogue lite game that puts you in command of an old world submarine and a crew of robotic workers. Hunted by a mechanical swarm, the only escape is to command your submarine, pilot its robotic crew fighting massive creatures, and prepare the sub for the journey ahead.

    Why similar: Underwater 30.9%, 3D Fighter 30.9%, Submarine 24.5%, Action 4.6%, Adventure 4.3%

  34. #34 Sovereign Strike: Submarine Supremacy
    74% matchNo user reviews2026
    Dev: Pepper Games
    Windows

    Become the captain of a Los Angeles-class attack submarine. Strike without warning, sink enemy ships with different torpedoes, dominate the global rankings, and explore a living underwater world packed with historical wrecks and forgotten secrets. Fast, tactical, and fun submarine warfare.

    Why similar: Submarine 51.4%, Underwater 34.6%, 3D 5.4%, Action 3.9%, Combat 3%

  35. #35 Submarine VR
    75% matchMostly Positive68% of 22 reviews2021
    Dev: EXTREMESOFTPub: EXTREMESOFT BILISIM REKLAMCILIK TICARET LIMITED SIRKETI
    Windows

    Submarine VR takes you on a adventure-filled underwater simulation experience! Dive deep and cruise through the endless uncharted nature of the ocean and you will see clownfish, dolphins, penguins and mysterious sea animals. Get close to the sea surface and sail in the open sea with your cruise ship

    Why similar: Submarine 61.1%, Underwater 26.2%, Exploration 4.3%, Action 4.2%, Adventure 3.2%

  36. #36 ToyLand
    74% matchVery Positive90% of 63 reviews2023
    Dev: Team.NeverLandPub: ChungKang College of Cultural Industries
    Windows

    Toyland is a world of abandoned and forgotten toys. Please help 'Hana' crash landing on this Toyland go back to the real world!!

    Why similar: 3D Fighter 48.7%, Hack and Slash 19.3%, Action 11.8%, 3D 5.7%, Casual 5%

  37. #37 NAUTUS
    73% matchNo user reviews
    Dev: Magic Design StudiosPub: Arc Games
    Windows

    From the creators of Have a Nice Death comes a charmingly quirky island adventure with 4-player co-op! From above, catch your breath in a cozy sanctuary and befriend quirky locals. From below, take the helm of an upgradable submarine, fight mutant creatures, and craft vital gear. Explore NAUTUS!

    Why similar: Submarine 43.5%, Underwater 33%, Action-Adventure 8.3%, Colorful 4.5%, Exploration 3.9%

  38. #38 Ocean Pressure
    73% matchMixed66% of 29 reviews2023
    Dev: Ivan Huliakevich
    Windows

    Ocean Pressure is a singleplayer game where you as an old scientist piloting your handmade submarine in the bottom of the ocean. Your mission is explore the ocean and collect required data with help of your submarine.

    Why similar: Submarine 48.2%, Underwater 34.1%, Exploration 4.4%, Linear 4.1%, 3D 3.9%

  39. #39 Titanic Terror
    72% matchNo user reviews
    Windows

    A submarine touring the Titanic has gone missing. As part of the coast guard, you have been called in to locate and rescue the crew before their oxygen runs out.

    Why similar: Submarine 51.6%, Underwater 36.4%, Exploration 4.7%, 3D 4.4%, Adventure 2.4%

  40. #40 Flash Diving
    70% matchMostly Positive71% of 31 reviews2026
    Dev: Paraxodon
    Windows

    Short horror game where you survey the descent of a capsule through a hole in the middle of an ocean, with only 4 lights and your ears to ensure your surroundings remain clear.

    Why similar: Submarine 50.5%, Underwater 40.2%, Adventure 3.8%, 3D 3.5%, Singleplayer 2%

  41. #41 7821 Akuji
    71% match4 user reviews100% of 4 reviews2025
    Dev: CatBiteStudios
    Windows

    7821 Akuji is a first person liminal horror experience. Pilot a tiny, jury-rigged submersible to rescue a lost science crew.

    Why similar: Submarine 54.9%, Underwater 37%, 3D 4.1%, Adventure 3.3%, Singleplayer 0.7%

  42. #42 The Oily Depths
    69% matchVery Positive84% of 110 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: Submarine 51.6%, Underwater 31.5%, Lore-Rich 9.8%, 3D 3.2%, Exploration 2.4%

  43. #43 Bubblesinker
    73% matchNo user reviews2024
    Dev: Punchito
    Windows

    Bubblesinker is an underwater roguelite shooter where you must survive fish schools' attacks and battle against gigantic sea creatures. Unlock new characters with unique weapons and hook up helpful companions to help you in your watery crusade.

    Why similar: Submarine 39.8%, Underwater 30.8%, Action-Adventure 11.8%, Action 5.7%, Stylized 5.1%

  44. #44 Europa One
    71% matchPositive100% of 14 reviews2023
    Dev: Wicked Rooster
    Windows

    Explore the ice-encrusted ocean of Jupiter's moon Europa.

    Why similar: Submarine 50.3%, Underwater 35.6%, Exploration 4.5%, 3D 3.2%, Adventure 3.1%

  45. #45 Diluvion: Resubmerged
    72% matchMixed62% of 1,128 reviews2017
    Dev: Arachnid GamesPub: Good Shepherd Entertainment
    Windows · Mac · Linux
    Median: 5.2 hrsMean: 6.5 hrs≥1hr: 86%

    Diluvion is a 3D deep sea, Jules Verne inspired, exploration game with RPG elements and thrilling submarine combat. As the Captain of your own vessel, you must grow and manage your crew as you search for the secrets of the past in a hauntingly beautiful flooded world.

    Why similar: Underwater 59.4%, Submarine 26.5%, Action 6.9%, Adventure 6.2%, Singleplayer 1%

  46. #46 Killer Depths
    69% match5 user reviews60% of 5 reviews2025
    Dev: Stardust Smithy
    Windows

    Pilot a submarine in a horrific, deep sea expedition. Study the monsters the lurk below and look for their signs. Adjust your speed, noise and light levels to scare off, or hide from whatever you think is out there. Poor judgment will lead to a watery grave.

    Why similar: Submarine 52.9%, Underwater 36.4%, Adventure 4.7%, Lore-Rich 3.2%, Singleplayer 2.3%

  47. #47 Sunken Ships
    70% matchPositive91% of 11 reviews2023
    Dev: Joe Renwick
    Windows

    Explore a little seaside coast of submerged ruins, sunken ships and lonely islands.

    Why similar: Submarine 44.4%, Underwater 30.9%, Adventure 8.7%, Exploration 5.4%, Stylized 5.4%

  48. #48 The Ghosts of Terinor
    71% match1 user reviews0% of 1 reviews2023
    Dev: Tom's Feral Cat Games
    Windows

    The Ghosts of Terinor have recently gained the ability to drain magical powers. As expected your ability to throw fireballs was confiscated by them almost immediately. Use your dual enchanted blades to regain your mojo!

    Why similar: 3D Fighter 40.6%, Action-Adventure 12%, Hack and Slash 11.5%, Action 9.5%, Adventure 8.5%

  49. #49 There's Nothing Down There
    66% matchVery Positive85% of 371 reviews2026
    Dev: Tim Trankle
    Windows

    There's Nothing Down There is a short undersea horror exploration game. Descend into a sinkhole at the bottom of the ocean and discover the remains of a lost, yet not dead, civilization.

    Why similar: Submarine 62.4%, Underwater 17.2%, Linear 5.1%, Exploration 4.8%, Adventure 4.8%

  50. #50 Waifu Wave Defenders
    69% match1 user reviews100% of 1 reviews2025
    Dev: Royal Guard Publishing
    Windows

    Fast paced, hack and slash action game with female protagonist and antagonists

    Why similar: 3D Fighter 34.9%, Hack and Slash 19.4%, Action 11.2%, Action-Adventure 10.4%, Adventure 10%

  51. #51 Sub Optimal Co.
    67% matchMixed69% of 13 reviews2026
    Dev: It's A Sidegame
    Windows

    It's simple. Operate your submarine through challenging tight cave systems to collect the target, while not scratching the cave walls under suboptimal conditions. Navigate carefully and consider every move in this slow pace, athmospheric, multiplayer, submarine simulation-lite.

    Why similar: Submarine 51.8%, Underwater 32.7%, Stylized 5.2%, 3D 3.5%, Linear 3%

  52. #52 ENDER OCEAN - Your mission: "Clean the Ocean"
    70% matchMostly Positive75% of 15 reviews2022
    Dev: Ender Ocean
    Windows · Mac · Linux

    The Ender Ocean principle? Locate and collect waste (plastic bags, bottles, lost nets...) thanks to underwater robots connected to a collection boat, in order to valorize them afterwards, all from home.

    Why similar: Underwater 47.6%, Submarine 40.6%, Exploration 5.2%, 3D 4.7%, Singleplayer 1.8%

  53. #53 Submeris
    67% matchMostly Positive74% of 31 reviews2025
    Dev: OxygenStudio
    Windows

    Submeris is an underwater mining adventure set beneath a mysterious island. Dig, upgrade your gear, survive dangerous depths, and uncover the legendary treasure hidden far below the ocean floor!

    Why similar: Submarine 43.2%, Underwater 30.6%, Action-Adventure 8.1%, Colorful 3.8%, Action 3.7%

  54. #54 13km Deep
    68% matchNo user reviews
    Dev: RatLovers Studio
    Windows

    You are an employee of U.D.E. Your mission is to explore the ocean depths, investigate ancient artifacts, and... save your own skin. Survive, uncover the corporation's secrets, and find out what lies hidden in the depths.

    Why similar: Submarine 47.5%, Underwater 35.9%, Stylized 5.4%, Adventure 4.6%, Exploration 4.3%

  55. #55 Sinking Eternity
    68% matchNo user reviews2026
    Dev: ZeroByte
    Windows

    Sinking Eternity is a single-player underwater exploration RPG. Survive extreme depths, hide from dangerous sea creatures, and uncover the secrets of a civilization lost for millennia.

    Why similar: Underwater 36.3%, Submarine 33.4%, Lore-Rich 9.5%, Action-Adventure 9%, Exploration 4.4%

  56. #56 Depths of Sanity
    68% matchVery Positive88% of 93 reviews2022
    Dev: Bomb Shelter Games
    Windows

    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: Submarine 45.2%, Underwater 34.7%, Action-Adventure 6.2%, Stylized 4.6%, Exploration 4%

  57. #57 Wayside Marina
    67% matchNo user reviews
    Dev: Galeware Games
    Windows · Linux

    Wayside Marina is a melee based, dungeon adventure. Explore the outposts and the grottos beyond the horizon, uncovering mysteries that threaten your world on the surface. And helping the eclectic mariners you meet along the way.

    Why similar: 3D Fighter 32.7%, Underwater 19.4%, Hack and Slash 12.5%, Action-Adventure 9.1%, Action 6.3%

  58. #58 Subterror
    64% matchVery Positive90% of 475 reviews2025
    Dev: Team Monumental
    Windows
    Median: 2.5 hrsMean: 3.9 hrs≥1hr: 74%

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

    Why similar: Submarine 42.3%, Underwater 34.1%, Action-Adventure 8.1%, Stylized 6.2%, Action 4.1%

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