- #1 Barotrauma
97% matchVery Positive94% of 87,800 reviews2023
Dev: FakeFishPub: Daedalic Entertainment
Windows · Mac · Linux
Median: 8.9 hrsMean: 55.5 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 61.9% ★, Submarine 34% ★, Action 3.7%, Singleplayer 0.4%
Why You'll Like It: This game offers the most intense submarine management and crew coordination experience, capturing the danger and claustrophobia of deep-sea exploration.
- #2 Subnautica
96% matchOverwhelmingly Positive97% of 375,391 reviews2018
Dev: Unknown Worlds Entertainment
Windows · Mac
Median: 13.3 hrsMean: 39.6 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 83% ★, Open World 5.7%, Adventure 4.9%, Action 3.4%, Indie 2.1%
Why You'll Like It: It is the definitive underwater open-world exploration game, sharing the sense of discovery and resource management found in Diluvion.
- #3 SUNLESS SEA
96% matchVery Positive83% of 9,521 reviews2015
Dev: Failbetter Games
Windows · Mac · Linux
Median: 3.4 hrsMean: 10.8 hrs≥1hr: 79%
LOSE YOUR MIND. EAT YOUR CREW. DIE. Take the helm of your steamship and set sail for the unknown! Sunless Sea is a game of discovery, loneliness and frequent death, set in the award-winning Victorian Gothic universe of Fallen London.
Why similar: Steampunk 54% ★, RPG 19.9%, Adventure 12.6%, Indie 6.2%, Open World 5.7%
Why You'll Like It: This title excels at atmospheric exploration and narrative-driven management in a dark, mysterious, and dangerous aquatic world.
- #4 Abandon Ship
95% matchMostly Positive73% of 1,349 reviews2019
Dev: Fireblade Software
Windows · Mac · Linux
Median: 6.4 hrsMean: 9.4 hrs≥1hr: 87%
Take command of an 'Age of Sail' ship and her crew, exploring a vast, story-filled world that reacts to your decisions. Engage enemy vessels, fortifications and sea monsters in brutal tactical combat, all framed in an art style inspired by classic Naval Oil Paintings.
Why similar: RPG 66%, Open World 34%
Why You'll Like It: This game mirrors the naval combat and crew management mechanics of Diluvion within a stylized, high-stakes maritime setting.
- #5 UBOAT
93% matchVery Positive84% of 26,800 reviews2024
Dev: Deep Water StudioPub: PlayWay S.A.
Windows
Median: 7.5 hrsMean: 51.2 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: Submarine 77% ★, Action 11.6%, Open World 9.5%, Singleplayer 1.8%
Why You'll Like It: For players who enjoyed the management aspects of Diluvion, this provides a highly detailed and realistic submarine simulation experience.
- #6 Aquanox Deep Descent
94% matchMixed49% of 694 reviews2020
Dev: Digital ArrowPub: THQ Nordic
Windows
Median: 4.4 hrsMean: 5.7 hrs≥1hr: 88%
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 76.6% ★, Action 11.5%, Adventure 10%, Singleplayer 1.9%
Why You'll Like It: A direct spiritual successor to the underwater combat genre, focusing on vehicular navigation and tactical submarine warfare.
- #7 The Aquatic Adventure of the Last Human
94% matchMostly Positive75% of 516 reviews2016
Dev: YCJY Games
Windows · Mac · Linux
Median: 3.9 hrsMean: 4.7 hrs≥1hr: 88%
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 78.4% ★, Adventure 8.1%, Action 8%, Indie 5.2%, Singleplayer 0.3%
Why You'll Like It: A melancholic underwater exploration game that captures the sense of isolation and discovery present in Diluvion.
- #8 Depths of Sanity
92% matchVery Positive88% of 92 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: Underwater 65.6% ★, Submarine 28.8% ★, Adventure 4.9%, Singleplayer 0.7%
Why You'll Like It: A submarine-focused metroidvania that emphasizes deep-sea exploration and atmospheric horror.
- #9 Under The Waves
91% matchMostly Positive78% of 1,979 reviews2023
Dev: Parallel StudioPub: Spotlight by Quantic Dream
Windows
Median: 2.6 hrsMean: 21.1 hrs≥1hr: 71%
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 69.3% ★, Submarine 18% ★, Adventure 8.1%, Indie 3.1%, Open World 0.7%
Why You'll Like It: A narrative-driven exploration game that focuses on the beauty and solitude of the deep sea.
- #10 Sunless Skies: Sovereign Edition
91% matchVery Positive84% of 3,454 reviews2019
Dev: Failbetter Games
Windows · Mac · Linux
Median: 2.5 hrsMean: 17.5 hrs≥1hr: 66%
SAIL THE STARS. BETRAY YOUR QUEEN. MURDER A SUN. Sunless Skies is a Gothic Horror roleplay game with a focus on exploration and exquisite storytelling.
Why similar: Steampunk 71% ★, RPG 16.4%, Adventure 6.7%, Indie 4.8%, Singleplayer 1.2%
Why You'll Like It: Sharing the same developer DNA as Sunless Sea, this offers a steampunk-inspired exploration experience with deep narrative choices.
- #11 ABZU
89% matchVery Positive93% of 27,476 reviews2016
Dev: Giant SquidPub: 505 Games
Windows
Median: 2.7 hrsMean: 5.3 hrs≥1hr: 80%
From the art director of Journey®, ABZÛ is a beautiful underwater adventure that evokes the dream of diving. Immerse yourself in a vibrant hidden world bursting with color and life as you descend into the heart of the ocean. But beware as you swim deeper as dangers lurk in the depths.
Why similar: Underwater 88.9% ★, Adventure 6%, Indie 2.7%, Open World 1.6%, Singleplayer 0.8%
Why You'll Like It: Focuses on the serene and beautiful aspects of underwater exploration with a strong emphasis on atmosphere and soundtrack.
- #12 Song of the Deep
90% matchVery Positive85% of 868 reviews2016
Dev: Insomniac GamesPub: GameTrust Games
Windows
Median: 3.5 hrsMean: 4.9 hrs≥1hr: 89%
From the creators of Ratchet & Clank, Song of the Deep is a metroidvania-style action-adventure game following a young girl’s quest into the unknown to find her missing father. It combines underwater discovery, skill, and suspense with a powerful story.
Why similar: Underwater 85.5% ★, Adventure 10.2%, Action 4.3%
Why You'll Like It: A charming underwater adventure that emphasizes exploration and puzzle-solving in a sub-aquatic world.
- #13 Voidtrain
87% matchMostly Positive74% of 9,612 reviews2025
Dev: HypeTrain Digital
Windows
Median: 8.5 hrsMean: 14.0 hrs≥1hr: 93%
Become a crew member of an Interdimensional Express Train! Discover a new world full of mysterious creatures, enemies and places. Upgrade and customize your train, gather new materials and build better weapons. Play solo or online сo-op with up to 4 people.
Why similar: Adventure 27%, Action 24.1%, Open World 23.6%, RPG 13.2%, Indie 8.6%
Why You'll Like It: This game features the same spirit of vehicle-based exploration and steampunk upgrades in a surreal, ever-changing environment.
- #14 Cold Waters
89% matchVery Positive87% of 4,718 reviews2017
Dev: Killerfish Games
Windows · Mac
Median: 7.5 hrsMean: 22.9 hrs≥1hr: 83%
Spiritual Successor to the Microprose Classic “Red Storm Rising”.
Why similar: Submarine 82.5% ★, Action 5.8%, Open World 5.3%, Indie 5.1%, Singleplayer 1.3%
Why You'll Like It: It captures the tactical tension of submarine combat and sonar-based navigation in a modern, high-stakes military context.
- #15 FAR: Lone Sails
88% matchOverwhelmingly Positive95% of 26,094 reviews2018
Dev: Okomotive
Windows · Mac
Median: 3.2 hrsMean: 7.8 hrs≥1hr: 84%
Traverse a dried-out seabed littered with the remains of a decaying civilization. Keep your unique vessel going, overcome numerous obstacles and withstand the hazardous weather conditions. How far can you make it? What will you find?
Why similar: Steampunk 64.6% ★, Adventure 14.5%, Action 10.8%, Indie 8.1%, Singleplayer 2%
Why You'll Like It: Captures the feeling of maintaining and navigating a unique vehicle through a vast, post-apocalyptic landscape.
- #16 Submerged
86% matchMostly Positive76% of 4,842 reviews2015
Dev: Uppercut Games Pty Ltd
Windows
Median: 3.0 hrsMean: 13.3 hrs≥1hr: 80%
Submerged is a third-person combat-free game in which you explore a mysterious flooded city and discover the beauty of desolation in vast outdoor environments. You take on the role of Miku, a young girl who has brought her wounded brother to the city in their small fishing boat.
Why similar: Adventure 43.4%, Open World 32.9%, Indie 18.2%, Singleplayer 5.4%
Why You'll Like It: Focuses on the exploration of a flooded, ruined world, echoing the post-apocalyptic setting of Diluvion.
- #17 Beyond Blue
85% matchVery Positive88% of 1,495 reviews2020
Dev: E-Line Media
Windows
Median: 2.9 hrsMean: 28.1 hrs≥1hr: 68%
Beyond Blue is a single-player narrative adventure that takes you deep into our planet’s beating blue heart. Explore the awesome wonder and unbounded mystery that exists within the world’s ocean.
Why similar: Underwater 88.6% ★, Adventure 6.2%, Indie 3.6%, Open World 1.1%, Singleplayer 0.5%
Why You'll Like It: An educational and atmospheric exploration game that highlights the beauty of marine life and underwater environments.
- #18 Deep Diving Simulator
86% matchMixed64% of 105 reviews2019
Dev: Jujubee S.A.Pub: Salient Games
Windows
Median: 3.5 hrsMean: 5.4 hrs≥1hr: 86%
Submerge yourself in one of the most immersive diving simulators to date. Gather your gear, choose your diving spot and discover what lies beneath the surface as you venture deep into the unknown.
Why similar: Underwater 86% ★, Adventure 6.7%, Indie 3.6%, Action 3.2%, Singleplayer 0.5%
Why You'll Like It: Provides a realistic look at the mechanics of underwater exploration and the challenges of deep-sea pressure.
- #19 Vaporum
84% matchVery Positive85% of 1,054 reviews2017
Dev: Fatbot Games, s. r. o.
Windows · Mac · Linux
Median: 3.8 hrsMean: 6.7 hrs≥1hr: 86%
Vaporum is a grid-based dungeon crawler RPG in an original steampunk setting, inspired by old-school classics of the genre. Stranded in the middle of an ocean, in front of a gigantic tower, the hero has to find out what the place is, what happened there, and most importantly, who he is.
Why similar: Steampunk 77.7% ★, RPG 22.3%
Why You'll Like It: A dungeon crawler that perfectly captures the steampunk aesthetic and mechanical complexity found in Diluvion.
- #20 SOMA
83% matchOverwhelmingly Positive96% of 51,711 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: Underwater 71.4% ★, Adventure 10.3%, Action 10.2%, Indie 6.6%, Singleplayer 1.6%
Why You'll Like It: While more narrative-focused, it perfectly captures the eerie, isolated atmosphere of being deep underwater.
- #21 Submerged: Hidden Depths
82% matchVery Positive90% of 850 reviews2022
Dev: Uppercut Games Pty Ltd
Windows
Median: 6.8 hrsMean: 9.5 hrs≥1hr: 71%
Boat, climb, interact and explore in the beautiful ruins of a sunken world.
Why similar: Open World 48.8%, Adventure 46.9%, Singleplayer 4.4%
Why You'll Like It: Expands on the exploration mechanics of the original, offering a relaxing and beautiful flooded world to traverse.
- #22 Narcosis
84% matchMostly Positive76% of 1,460 reviews2017
Dev: Honor Code, Inc.
Windows · Mac
Median: 2.9 hrsMean: 4.0 hrs≥1hr: 83%
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 86.5% ★, Adventure 8.5%, Indie 5.1%
Why You'll Like It: A survival horror game that emphasizes the claustrophobia and technical dangers of deep-sea diving.
- #23 BioShock™
82% matchVery Positive94% of 32,021 reviews2007
Dev: 2K BostonPub: 2K
Windows
Median: 2.4 hrsMean: 9.8 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: Steampunk 39.4% ★, Underwater 39% ★, Action 9.4%, RPG 7.2%, Adventure 3.7%
Why You'll Like It: This classic title shares the steampunk-adjacent aesthetic and the wonder of an underwater city setting.
- #24 The Falconeer: Revolution Remaster
81% matchMostly Positive78% of 623 reviews2020
Dev: Tomas SalaPub: Wired Productions
Windows
Median: 2.7 hrsMean: 5.2 hrs≥1hr: 83%
Take flight in this remastered 'stick control era' aerial combat RPG. Explore haunting landscapes, engage in epic dogfights, and uncover ancient secrets in a visually enhanced, rebalanced edition of the BAFTA-nominated, award-winning original.
Why similar: Steampunk 77% ★, Adventure 12.9%, Open World 10.1%
Why You'll Like It: Features open-world exploration and aerial combat that feels mechanically similar to navigating a submarine in 3D space.
- #25 Rebel Galaxy
80% matchVery Positive85% of 8,345 reviews2015
Dev: Double Damage Games
Windows · Mac
Median: 1.8 hrsMean: 13.5 hrs≥1hr: 62%
Rebel Galaxy is a swashbuckling space adventure, with action-packed combat, exploration, discovery, trade, and “negotiation” with the outlandish denizens at the edge of the known universe.
Why similar: RPG 35.9%, Open World 20%, Adventure 18.6%, Action 16%, Indie 6.9%
Why You'll Like It: While set in space, it shares the open-world ship management and combat loop that makes Diluvion engaging.
- #26 Stardiver
79% matchMixed51% of 63 reviews2024
Dev: Green Planet Games
Windows
You're a Stardiver on a mission. Descend into the depths of an underwater world filled with wonder, mysteries, and peril. Discover the story behind the abandoned base. Explore this submerged planet and learn its history.
Why similar: Underwater 86.2% ★, Adventure 7.3%, Indie 5.4%, Singleplayer 1.1%
Why You'll Like It: An action-adventure game that features sci-fi exploration and mystery-solving in a hostile environment.
- #27 AquaNox 2: Revelation
81% matchMostly Positive76% of 275 reviews2010
Dev: Massive DevelopmentPub: THQ Nordic
Windows
Median: 30 minMean: 4.9 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 86.7% ★, Action 12.5%, Singleplayer 0.8%
Why You'll Like It: An older title that provides classic submarine combat and a gritty, industrial underwater atmosphere.
- #28 CRUSH DEPTH
75% matchVery Positive98% of 66 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 66.9% ★, Submarine 26.3% ★, Action 4.4%, Indie 2.1%, Singleplayer 0.3%
- #29 Aphotic Descent
78% matchMixed63% 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 84.3% ★, Action 7.5%, Adventure 7.3%, Singleplayer 0.9%
Why You'll Like It: A horror-tinged underwater adventure that focuses on the mystery of the deep sea.
- #30 subROV : Underwater Discoveries
77% matchVery Positive91% of 68 reviews2022
Dev: sqr3lab
Windows
Pilot a remotely operated submarine and explore the oceans! Defy the darkness and crushing pressure of the deeps as you chart unknown regions and study new species of ocean life.
Why similar: Underwater 68.2% ★, Submarine 27.5% ★, Open World 3.7%, Singleplayer 0.6%
- #31 We Need To Go Deeper
76% matchVery Positive86% of 6,044 reviews2019
Dev: Deli Interactive LLC
Windows · Linux
Median: 3.3 hrsMean: 10.3 hrs≥1hr: 88%
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: Underwater 46.4% ★, Steampunk 24.4% ★, Submarine 21.7% ★, Action 4.2%, Adventure 3.4%
- #32 Project Abyss
79% matchMixed61% of 66 reviews2016
Dev: Tall Story StudiosPub: Prey Interactive
Windows
Median: 4.5 hrsMean: 5.0 hrs≥1hr: 99%
Project Abyss is a deep sea adventure game where you explore as a diver, forced to survive a destiny that goes deeper than anyone imagined.
Why similar: RPG 37.2%, Action 24.6%, Adventure 23.4%, Indie 14.8%
Why You'll Like It: A survival-focused underwater game that emphasizes exploration and resource gathering in a dangerous ocean.
- #33 20,000 Miles Under the Sea
78% matchMostly Negative39% of 151 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: Underwater 67.2% ★, Submarine 30.8% ★, Indie 1.8%, Singleplayer 0.3%
Why You'll Like It: Directly inspired by the Jules Verne aesthetic, this game focuses on submarine simulation and horror elements.
- #34 Verne: The Shape of Fantasy
75% matchVery Positive82% of 314 reviews2023
Dev: GametopiaPub: Assemble Entertainment
Windows · Mac
Median: 2.4 hrsMean: 5.8 hrs≥1hr: 62%
Become Jules Verne and adventure into the dangers that hide in Hemera, a fantastic parallel world built from his own imagination. Explore, solve puzzles and unlock the most coveted secret of the mighty Atlantis.
Why similar: Steampunk 40% ★, Underwater 33.7% ★, Submarine 18.5% ★, Adventure 5.9%, Indie 1.4%
- #35 Dive The Depths
73% 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 82.4% ★, Action 6.5%, Adventure 6.5%, Indie 3.3%, Singleplayer 1.4%
- #36 Phoning Home
76% matchMixed69% of 1,075 reviews2017
Dev: ION LANDS
Windows
Median: 4.2 hrsMean: 6.2 hrs≥1hr: 86%
A tale of survival about two shipwrecked robots - ION and ANI - on their life-defining journey in this unique genre-mix of exploration, puzzle and survival.
Why similar: Adventure 33.9%, Action 29.3%, Indie 17.8%, Open World 17.2%, Singleplayer 1.8%
- #37 Ocean Punk
73% matchMostly Positive80% of 169 reviews2024
Dev: Infinite Studio
Windows
Explore a fantasy ocean-punk world, braving the deep with steam-powered marvels. Discover mysterious underwater treasures, but scarcity and ecological crises test survival. Rise, build, confront foes in this pixel-art ocean survival journey!
Why similar: Adventure 40.3%, Open World 28.2%, Indie 26%, Singleplayer 5.5%
- #38 Aquaria
74% matchVery Positive88% of 1,527 reviews2008
Dev: Bit Blot, LLC
Windows · Linux
Median: 30 minMean: 8.1 hrs≥1hr: 34%
Aquaria is an award-winning action-adventure game set in a massive underwater world teeming with life and filled with ancient secrets. Join Naija, a lone underwater adventurer, as she travels from hidden caves shrouded in darkness, to beautiful, sunlit oases in search of her past.
Why similar: Underwater 81.3% ★, Adventure 7.2%, Indie 6.2%, Action 3.5%, Open World 1.1%
- #39 FAR: Changing Tides
70% matchVery Positive92% of 5,567 reviews2022
Dev: OkomotivePub: Frontier Foundry
Windows
Median: 5.0 hrsMean: 5.4 hrs≥1hr: 77%
An atmospheric vehicle adventure that follows the emotional journey of a boy and his ship as he embarks on a voyage to find a new home.
Why similar: Underwater 76.3% ★, Adventure 11.6%, Action 10%, Indie 1.5%, Singleplayer 0.6%
- #40 BioShock™ 2 Remastered
72% matchMostly Positive72% of 29,713 reviews2016
Dev: 2K MarinPub: 2K
Windows · Mac
Median: 3.6 hrsMean: 13.1 hrs≥1hr: 86%
In BioShock 2, you step into the boots of the most iconic denizen of Rapture, the Big Daddy, as you explore through the decrepit and beautiful fallen city, chasing an unseen foe in search of answers and your own survival.
Why similar: Underwater 50% ★, Steampunk 27.8% ★, Action 8.7%, RPG 8.2%, Adventure 4.2%
- #41 The Trench
71% matchVery Positive86% of 162 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 61.8% ★, Submarine 29.2% ★, Adventure 4.5%, Action 4.4%, Singleplayer 0.1%
- #42 Sea Walker Saga
68% matchVery Positive93% of 80 reviews2026
Dev: Antelus Games
Windows
Inspired by Waterworld an exciting steampunk adventure with strategy and RPG elements. Fight pirates, explore the seabed, build your own battle island and set out into the vast world ocean in search of a mythical continent!
Why similar: Steampunk 51.9% ★, RPG 30.3%, Adventure 17.8%
- #43 Stirring Abyss
71% matchVery Positive88% of 435 reviews2020
Dev: Sleepy SentryPub: Slitherine Ltd.
Windows
Median: 3.6 hrsMean: 11.2 hrs≥1hr: 70%
Stirring Abyss is an indie tactical squad-based game with strong RPG elements in which you uncover the ancient mysteries of the depths depicted in the classic vein of Lovecraftian horror.
Why similar: Underwater 79.2% ★, RPG 11.9%, Adventure 5.3%, Indie 3.2%, Singleplayer 0.5%
- #44 INSOMNIA: The Ark
73% matchMixed59% of 1,263 reviews2018
Dev: Mono StudioPub: HeroCraft PC
Windows
Median: 6.2 hrsMean: 12.2 hrs≥1hr: 91%
INSOMNIA is a dieselpunk sci-fi RPG about the slowly degrading remnants of human society attempting to survive on an abandoned space metropolis. Develop your character, explore lovingly handcrafted locations, interact with peculiar NPCs and factions and try to stay alive in this brutal world.
Why similar: RPG 52.7%, Action 28.4%, Indie 14.8%, Singleplayer 4.1%
- #45 Void Sails
70% matchMostly Positive75% of 59 reviews2025
Dev: Ticking Clock Games
Windows
VOID SAILS is a single-player adventure where you captain a flying ship across uncharted space. Sail through mysterious worlds, battle powerful foes, and make story-defining choices. Uncover dark secrets in a game where every discovery could bring you closer to the truth—or to madness.
Why similar: Steampunk 45.9% ★, RPG 29.4%, Adventure 13.8%, Indie 9.9%, Singleplayer 0.9%
- #46 SAMUDRA
72% matchMixed64% of 150 reviews2021
Dev: Khayalan Arts
Windows
Median: 3.5 hrsMean: 7.1 hrs≥1hr: 58%
SAMUDRA is an award-winning hand-illustrated deep sea journey.
Why similar: Underwater 84.2% ★, Adventure 7.3%, Indie 5.3%, Action 2.8%, Singleplayer 0.4%
- #47 Subterror
68% 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: Underwater 60.8% ★, Submarine 25.4% ★, Action 5.9%, Adventure 5.2%, Indie 2.2%
- #48 Clair Obscur: Expedition 33
64% matchOverwhelmingly Positive95% of 271,780 reviews2025
Dev: Sandfall InteractivePub: Kepler Interactive
Windows
Median: 32.4 hrsMean: 39.6 hrs≥1hr: 94%
Lead the members of Expedition 33 on their quest to destroy the Paintress so that she can never paint death again. Explore a world of wonders inspired by Belle Époque France and battle unique enemies in this turn-based RPG with real-time mechanics.
Why similar: RPG 54.5%, Adventure 22.7%, Action 12.4%, Indie 6.1%, Singleplayer 4.3%
- #49 Koral
71% matchVery Positive82% of 400 reviews2019
Dev: Carlos Coronado
Windows
Median: 3.2 hrsMean: 4.5 hrs≥1hr: 88%
Koral, a love letter to the ocean. Dive into the beautiful underwater world as a sea current. Solve puzzles to bring back to life coral reefs and spread the beauty of the oceans in different sea ecosystems.
Why similar: Underwater 89.9% ★, Adventure 6.7%, Indie 3.3%
- #50 Salt
70% matchMostly Positive76% of 2,248 reviews2018
Dev: Lavaboots Studios
Windows · Linux
Median: 3.4 hrsMean: 8.0 hrs≥1hr: 83%
Salt is an open world exploration game where you sail from island to island looking for loot and new discoveries! Relax and explore at your own pace, picking a direction and setting sail across a vast ocean filled with quests, merchants, ruins, pirates, and other mysterious places.
Why similar: Open World 26.2%, Adventure 25.6%, RPG 22.8%, Action 13.5%, Indie 9.4%
- #51 Sonar Shock
67% matchVery Positive80% of 235 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: Submarine 46.4% ★, RPG 21.5%, Action 14.2%, Adventure 13.6%, Indie 4.3%
- #52 In Other Waters
68% matchVery Positive87% of 2,532 reviews2020
Dev: Jump Over The AgePub: Fellow Traveller
Windows · Mac
Median: 48 minMean: 4.5 hrs≥1hr: 44%
Play as an Artificial Intelligence guiding a stranded xenobiologist through a beautiful and mysterious alien ocean. A non-violent sci-fi story, enter a world of wonder, fear and vulnerability, unraveling the history and ecology of an impossible planet. What will you discover together?
Why similar: Underwater 75.9% ★, Adventure 13.6%, Indie 9.3%, Singleplayer 1.2%
- #53 Airship: Kingdoms Adrift
67% matchMostly Positive76% of 1,044 reviews2023
Dev: Revolution IndustryPub: indie.io
Windows
Median: 6.2 hrsMean: 21.6 hrs≥1hr: 78%
Welcome to Suthseg! As the newly commissioned airship captain, forge a mercantile empire across the archipelago, until the great powers of Europa turn their attention toward it. Build up a fleet, chart trade routes, establish industries, and explore the frontier at your airship's helm!
Why similar: Steampunk 49.3% ★, RPG 20.6%, Action 12.4%, Adventure 11.6%, Open World 6.1%
- #54 Underwater
69% matchMixed68% of 75 reviews2021
Dev: Andreev WorldsPub: Gamesforfarm
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: Adventure 47.2%, Indie 24.5%, Action 22.7%, Singleplayer 5.5%
- #55 Deep Blue: Devour and Evolve
65% matchVery Positive83% of 89 reviews2025
Dev: ZHOUZEMING
Windows
Play as different fish, devour opponents in the ruthless underwater world of survival of the fittest, and evolve your abilities.
Why similar: Underwater 90.7% ★, Action 9.1%, Singleplayer 0.2%
- #56 Feed the Deep
65% matchVery Positive89% of 478 reviews2024
Dev: Luke Muscat
Windows · Mac
Median: 48 minMean: 3.3 hrs≥1hr: 42%
A lovecraftian roguelike. Dive into procedurally generated undersea caves. Collect gold, upgrade your equipment, and Feed the Deep.
Why similar: Underwater 82.8% ★, Action 7%, Indie 5.7%, Adventure 3.7%, Singleplayer 0.7%
- #57 Hyper Light Drifter
66% matchVery Positive93% of 18,893 reviews2016
Dev: Heart Machine
Windows · Mac · Linux
Median: 3.6 hrsMean: 7.3 hrs≥1hr: 81%
Explore a beautiful, vast and ruined world riddled with dangers and lost technologies.
Why similar: Adventure 28.4%, RPG 25.2%, Action 24.7%, Indie 18.9%, Singleplayer 2.7%
- #58 Mystical Maritime Adventure
66% matchMostly Positive79% of 63 reviews2024
Dev: Ze_Yu
Windows
Here, you can freely sail your ship, explore the endless ocean, and find hidden islands and treasures!
Why similar: RPG 43%, Adventure 25.5%, Action 18.3%, Open World 8.8%, Singleplayer 2.5%