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Games Like Mythos Mission: Sunken Kingdom

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

Mythos Mission: Sunken Kingdom header art

An enthralling adventure where a team of intrepid explorers ventures into the enigmatic depths of the lost city of Atlantis. As they delve deeper into the submerged ruins, they encounter a chilling revelation: the once-glorious city is now teeming with malevolent forces and unspeakable horrors.

Reviews: No user reviews — 50%
Released: 2024-10-23
Developer: OLIVANGO
Genres: Action, Adventure, Indie
Platforms: Windows

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  1. #1 Thalassophobia
    97% 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 56.7%, Underwater 36.9%, Horror 6.3%, Singleplayer 0.1%

  2. #2 Aquarift
    96% 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 53.4%, Underwater 37.4%, Pixel Graphics 5%, 2D 2.2%, Action 1.8%

  3. #3 Submarine Terror
    96% matchPositive94% of 17 reviews2024
    Dev: Sungame Studio
    Windows

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

    Why similar: Submarine 54.5%, Underwater 34%, Horror 8.1%, Action-Adventure 2.3%, Multiple Endings 1%

  4. #4 Iron Lung
    95% 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: Submarine 45.6%, Underwater 33.5%, Horror 9.7%, Pixel Graphics 6.6%, Dark 4.6%

  5. #5 Sunken Seeker
    94% 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 52%, Underwater 41.6%, Horror 6.3%, Singleplayer 0.2%

  6. #6 Abyssal Rust
    94% 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 45.2%, Underwater 41.6%, Horror 8.4%, Dark 2.8%, Action-Adventure 1.9%

  7. #7 Flash Diving
    93% matchNo user reviews
    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 46.5%, Underwater 37.8%, Horror 9%, Dark 3.6%, Pixel Graphics 2.9%

  8. #8 The Pulse of Evil
    92% matchVery Positive95% of 219 reviews2023
    Dev: MadnukinPub: Mads Games
    Windows

    Find yourself on a mission exploring the depth of an ominous forgotten mine. You arrive barehanded but quickly find the tools needed to go deeper. Destroy the infected living parts of the mine and face the final threat and complete your mission.

    Why similar: Top-Down Shooter 26%, Shooter 14.7%, Shoot 'Em Up 11.7%, Top-Down 11.5%, Pixel Graphics 8.3%

  9. #9 Sea under the sea under the sea
    91% match6 user reviews17% of 6 reviews2024
    Dev: MA
    Windows

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

    Why similar: Submarine 49.2%, Underwater 39.5%, Horror 9%, Action 2.2%, Singleplayer 0.1%

  10. #10 CRUSH DEPTH
    90% 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: Submarine 42.7%, Underwater 38.3%, Horror 8%, Pixel Graphics 4.6%, Action-Adventure 4.4%

  11. #11 Crushing Depths
    91% match5 user reviews40% of 5 reviews2023
    Dev: Alex Le Mesurier
    Windows

    'Crushing Depths' is a first-person horror game set deep down on the ocean floor, you will take control of an underwater drone tasked with locating points of interest using 3D spatial sound and once found scan them to build a story, but be on careful lookout for anything that may lurk down there!

    Why similar: Submarine 45.6%, Underwater 40.2%, Horror 7.9%, Dark 6.2%, Singleplayer 0.1%

  12. #12 Submergent
    89% matchMostly Positive71% of 17 reviews2024
    Dev: 626 Interactive
    Windows

    Explore and navigate an underwater cave in your submarine.

    Why similar: Submarine 49.8%, Underwater 35.2%, Horror 9.7%, Dark 5.1%, Singleplayer 0.1%

  13. #13 Killer Depths
    89% 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 48.9%, Underwater 35.3%, Horror 8.4%, Dark 7.1%, Singleplayer 0.2%

  14. #14 7821 Akuji
    88% 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 52.7%, Underwater 37.2%, Horror 5.6%, Pixel Graphics 4.3%, Singleplayer 0.1%

  15. #15 Sonar Scout
    87% matchPositive100% of 25 reviews2024
    Dev: Dan SchumacherPub: Spelkollektivet
    Windows

    Pilot your submarine to activate and reestablish a network of beacons while carefully utilizing your sonar to navigate the low-visibility depths of the ocean.

    Why similar: Submarine 42.5%, Underwater 31.8%, Top-Down 9.4%, Dark 8%, Horror 6.7%

  16. #16 Magnavis
    86% matchNo user reviews2026
    Dev: Vorles Games
    Windows

    Magnavis is a first-person 3D horror game for 2–4 player co-op. Pilot your submarine through tight caves without crashing, complete assigned missions, repair damaged systems, and whatever you do, don’t die.

    Why similar: Submarine 48.6%, Underwater 34.3%, Horror 7.4%, Pixel Graphics 6%, Dark 3.3%

  17. #17 20,000 Miles Under the Sea
    86% matchMostly Negative39% of 150 reviews2020
    Dev: CreaTeam
    Windows

    Become a fearless underwater explorer and reach the bottom of The Mariana Trench to win 20,000* REAL DOLLARS!

    Why similar: Submarine 49%, Underwater 37.8%, Horror 9.6%, Dark 3.5%, Singleplayer 0.1%

  18. #18 The Oily Depths
    84% 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: Submarine 50.3%, Underwater 32.2%, Dark 9.4%, Horror 7.9%, Singleplayer 0.2%

  19. #19 Sub-Species
    85% 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 44.5%, Underwater 37.1%, Shoot 'Em Up 8.3%, Action-Adventure 5.6%, Action 3.3%

  20. #20 Discoveries of the Deep
    84% match1 user reviews100% of 1 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 52.8%, Underwater 47.1%, Singleplayer 0.1%

  21. #21 Santa's War on Christmas
    82% match2 user reviews50% of 2 reviews2025
    Dev: ElgSoft
    Windows

    Santa’s War on Christmas is a top-down action game where Santa is fighting to stop the naughty Cabal with Coal, Gingerbread Stars, Candy Canes and Walnuts to once more be able to spread happiness and joy for all.

    Why similar: Top-Down Shooter 35%, Mythology 21.8%, Shooter 18.8%, Top-Down 16.8%, Action 7.4%

  22. #22 Bubblesinker
    83% 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 40.8%, Underwater 33.1%, Shoot 'Em Up 13%, Action-Adventure 6.1%, Action 3.7%

  23. #23 Subcontractors
    82% 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 49.8%, Underwater 35.1%, Horror 5.6%, Action-Adventure 4.2%, Dark 2.7%

  24. #24 Blunder The Sea
    81% matchNo user reviews
    Dev: Christopher AtwellPub: Cracked Games
    Windows

    Use movement and your spear gun to take down underwater baddies. The goal? Treasure of course!

    Why similar: Submarine 31.1%, Underwater 21.3%, Top-Down Shooter 18.1%, Shooter 13.5%, Top-Down 8.1%

  25. #25 Operation : Escape
    80% match6 user reviews67% of 6 reviews2025
    Dev: ICT@SUPub: ZDKHub
    Windows

    A sci-fi top-down shooter game. 2D top-downYou shooting game. You get kidnapped by alien from far away and infested by their blood, which makes you able to use their weapon. You have to get out there before they catch you and do some weird thing with your body

    Why similar: Top-Down Shooter 41.2%, Shooter 21.5%, Top-Down 14%, Pixel Graphics 11.7%, Action 8.5%

  26. #26 Titanic Terror
    81% 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 50.9%, Underwater 37.6%, Horror 7.2%, Dark 2.9%, Multiple Endings 1.3%

  27. #27 Watertight
    78% matchVery Positive88% of 175 reviews2025
    Dev: Tiny Studio
    Windows

    A short first-person horror game. An accident cripples your submarine while trying to find the wreck of the Titanic. In the darkness, you must restore life-support systems through tense puzzles, only to discover that you are not alone.

    Why similar: Submarine 48.8%, Underwater 33.4%, Horror 12%, Dark 5.7%, Singleplayer 0.2%

  28. #28 Under the Water Depths
    79% match8 user reviews56% 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 53.5%, Submarine 41.2%, Dark 5.2%, Singleplayer 0.1%

  29. #29 Subterror
    77% 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: Submarine 41.8%, Underwater 35.3%, Horror 9.6%, Pixel Graphics 6.6%, Action-Adventure 4%

  30. #30 Dark of the Depths
    78% matchNo user reviews
    Dev: Games At Dusk
    Windows

    A first-person deep sea exploration game. Use only a torch to navigate through rusted structures, encountering both dangerous and harmless sea creatures. Uncover the mysteries of the trench, and experience the phobia-inducing atmosphere of the ocean floor.

    Why similar: Submarine 49.4%, Underwater 40.3%, Horror 6.9%, Dark 3.3%, Singleplayer 0.1%

  31. #31 Search for the Titanic
    79% match2 user reviews100% of 2 reviews2021
    Dev: Capstone SoftwarePub: Ziggurat
    Windows

    As an inexperienced oceanographer, you must build your skills, reputation, crew, and resources along your journey to mount an expedition to find the lost Titanic. Experience the challenges, dangers and excitement of scientific underwater exploration!

    Why similar: Submarine 45.1%, Underwater 35.7%, Historical 13.9%, Pixel Graphics 5.3%, Singleplayer 0%

  32. #32 Depths of Sanity
    77% matchVery Positive89% of 89 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 45.8%, Underwater 36.6%, Pixel Graphics 6.9%, Dark 6%, Action-Adventure 3.1%

  33. #33 Secret of Sardinia
    76% matchNo user reviews
    Dev: Lopside Games LLC
    Windows · Mac

    Swim through a desolate underwater world to discover the truth of your lost civilization. As the last sardine in Sardinia, you must translate ancient fragments, listen to the voices of the dead, and rebuild a forgotten mythology as you uncover the deepest secrets of the sea.

    Why similar: Submarine 40.4%, Underwater 31.2%, Mythology 18.5%, Dark 6.8%, Action-Adventure 3.1%

  34. #34 The Trench
    75% 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: Submarine 49.2%, Underwater 36.8%, Horror 8.5%, Dark 3.4%, Action 2%

  35. #35 Main Action
    75% match1 user reviews100% of 1 reviews2023
    Dev: nn
    Windows

    Main Action - 3d top-down shooter with pixel graphics, not a long game with magic and monsters. In this game you will save the world and the villagers from evil. You are a magical creature who alone must cope with evil.

    Why similar: Top-Down Shooter 45.7%, Shooter 19.4%, Top-Down 16.6%, Action-Adventure 8.3%, Action 4.9%

  36. #36 Mortal Mythos: Island of Fairies
    74% matchNo user reviews2026
    Dev: Timur Bondar
    Windows

    Dodge waves of bullets in cover shooter + shmup-inspired combat, as you strike back with powerful attacks of your own! Use clever cover spots to gain an advantage over your enemies, find treasures to make yourself stronger, and avoid taking damage to raise your score!

    Why similar: Top-Down Shooter 35.3%, Shooter 19.5%, Shoot 'Em Up 13.1%, Top-Down 11.8%, Action-Adventure 7.6%

  37. #37 Aqua Populo
    76% matchNo user reviews2022
    Dev: Newbuild-C
    Windows · Linux

    Pilot your sub through waves of angry sea-life and punishing bosses in this aquatic twin-stick shooter.

    Why similar: Underwater 33.5%, Top-Down Shooter 24.7%, Shooter 11.3%, Shoot 'Em Up 10.9%, Top-Down 10.9%

  38. #38 Deeper
    74% matchNo user reviews
    Dev: Team Breakout
    Windows

    Go on expeditions with your friends to explore the depths in search of treasures, upgrade your gear, and dive back in deeper.

    Why similar: Submarine 40.7%, Underwater 39.7%, Horror 9.2%, Dark 5.7%, Action-Adventure 3.5%

  39. #39 Scyla
    73% matchPositive80% of 15 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 54%, Underwater 39.7%, Action-Adventure 4.7%, Dark 1.4%, Singleplayer 0.2%

  40. #40 Burn Depth
    73% 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 46.8%, Underwater 37.6%, Horror 8%, Action-Adventure 4.3%, Action 1.8%

  41. #41 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 52%, Underwater 38.6%, Horror 7.3%, Action 2%, Singleplayer 0.2%

  42. #42 Dead-End Bounty
    72% matchNo user reviews
    Dev: Dodgem Games
    Windows

    Dead-End Bounty is an open-world top-down shooter set in the wild west! A frontier with 3 kinds of people: the ones on wanted posters, the ones printing them, and people like Charlie—a bounty hunter with his eyes set on one particular bounty that has slipped through his hands a few too many times.

    Why similar: Top-Down Shooter 33.7%, Shooter 16%, Shoot 'Em Up 14.7%, Conversation 9.1%, Top-Down 9.1%

  43. #43 Core Break
    71% match1 user reviews0% of 1 reviews2024
    Dev: MythByte
    Windows

    Explore an abandoned space station in this top-down action-adventure. Customize your weapons, face hostile threats, and extract AI cores to uncover hidden secrets. Survival is key as you navigate the station's unpredictable dangers, guided remotely by your operator, Pryce.

    Why similar: Top-Down Shooter 35.1%, Shooter 18.6%, Top-Down 16.6%, Dark 11.5%, Horror 9.1%

  44. #44 The Swarm 2
    71% match1 user reviews100% of 1 reviews2025
    Dev: Solsgames
    Windows · Linux

    Destroy bosses one after another in this fast-paced and dynamic abyssal bullet hell!

    Why similar: Underwater 46.7%, Submarine 18.8%, Top-Down Shooter 13.6%, Shoot 'Em Up 8.3%, Top-Down 5.2%

  45. #45 Critical Fishing
    70% matchPositive98% of 46 reviews2024
    Dev: lazygun
    Windows

    Take part in wormkinds heroic struggle for freedom from their archnemesis. Upgrade your arsenal, tools and submarine to decimate the fish population to reach the ultimate goal: to boldly go where no worm has gone before.

    Why similar: Underwater 37.8%, Submarine 29%, Shooter 12.3%, Shoot 'Em Up 10%, Pixel Graphics 5.4%

  46. #46 Submarine VR
    72% matchMixed68% 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 66.9%, Underwater 30.1%, Action 2.9%, Singleplayer 0.1%

  47. #47 Plasticalypse - Submarine Adventures
    71% 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 46.9%, Underwater 45%, Action-Adventure 5.7%, Action 2.3%, Singleplayer 0.1%

  48. #48 Under The Waves
    68% 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 57%, Submarine 42.6%, Singleplayer 0.3%

  49. #49 Diluvion: Resubmerged
    70% matchMixed62% of 1,124 reviews2017
    Dev: Arachnid GamesPub: Good Shepherd Entertainment
    Windows · Mac · Linux
    Median: 5.2 hrsMean: 6.5 hrs≥1hr: 85%

    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 66.4%, Submarine 28.8%, Action 4.7%, Singleplayer 0.1%

  50. #50 L30-P4RD
    70% matchMixed53% of 15 reviews2022
    Dev: 김정표Pub: L30-P4RD
    Windows

    L30-P4RD is Sci-Fi Top-down shooter. You explore planets as a member of the L30-P4RD, a special force that pioneered planets for civilization.

    Why similar: Top-Down Shooter 44.1%, Shooter 24.6%, Top-Down 20.9%, Action 10%, Singleplayer 0.4%

  51. #51 Project North
    69% matchNo user reviews
    Dev: Jonas OppligerPub: Voronoi Studios
    Windows

    A first-person submarine exploration game, where the you write and sketch your story as you navigates the frozen depths, manages the submarine's systems and come ever closer to uncovering the never-seen secrets beneath the ice.

    Why similar: Submarine 44.9%, Underwater 34.2%, Historical 16.5%, Action-Adventure 4.2%, Singleplayer 0.2%

  52. #52 Keeping Night
    69% matchNo user reviews2025
    Dev: Four X Four
    Windows

    Take on the role of a security guard in this fast-paced 2D action-strategy game. Outsmart intruders using CCTV, weapons, and clever tactics to defend your building!

    Why similar: Top-Down Shooter 38.4%, Shooter 20.6%, Top-Down 16.8%, Dark 10.9%, Action 8%

  53. #53 ReCoil
    67% matchPositive82% of 11 reviews2024
    Dev: Sisyphean Games
    Windows

    ReCoil is a 2D Top-Down Shooter with a unique twist to it's genre. The recoil of your weapons launches you back.

    Why similar: Top-Down Shooter 46.9%, Top-Down 18.6%, Pixel Graphics 13.2%, Shooter 11.6%, Action 5.4%

  54. #54 Hadal
    68% 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 54.2%, Underwater 38.8%, Action-Adventure 5.3%, Action 1.5%, Singleplayer 0.2%

  55. #55 Helen in Hell
    67% match1 user reviews100% of 1 reviews2024
    Dev: Soined
    Windows

    Helen in Hell is a bullet hell game where you fight & dash-dodge your way through dungeon waves of themed enemies. Unlock new weapons, abilities & power levels to help you defeat four challenging & unique bosses at the end of each dungeon.

    Why similar: Top-Down Shooter 27.8%, Mythology 24%, Shoot 'Em Up 12.6%, Top-Down 12%, Pixel Graphics 8.6%

  56. #56 It Sleeps Below the Haar
    66% matchPositive84% of 31 reviews2024
    Dev: Arboreta Games
    Windows

    A short exploration game, set in a secluded coastal village in North East Scotland. Explore Kellas Bay and it's surrounding forests, caves and ocean to uncover what lies beneath the fog-covered village.

    Why similar: Submarine 39.3%, Underwater 27.6%, Historical 14.9%, Conversation 10.9%, Horror 7.2%

  57. #57 13km Deep
    67% 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 50.6%, Underwater 40.1%, Horror 9.3%

  58. #58 Under the Sea
    68% 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 50.2%, Underwater 38.9%, Top-Down 6.2%, Action-Adventure 4.6%

  59. #59 Undercroft
    67% matchNo user reviews
    Dev: Hopper_Works
    Windows

    Under the old forgotten church lies a sprawling crypt, filled with lost histories and abandoned secrets. Search through the forgotten catacombs and uncover the mystery behind it's creation. Maybe you can find out how to save yourself along the way.

    Why similar: Top-Down Shooter 26%, Shooter 13.7%, Mythology 12.8%, Shoot 'Em Up 11.4%, Top-Down 10.5%

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Games Like Mythos Mission: Sunken Kingdom

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