- #1 SharkKing
97% match5 user reviews100% of 5 reviews2023
Dev: RoguePixel
Windows
SharkKing is an aquatic eat em up.
Why similar: Underwater 70.6% ★, Action 12.1%, PvE 7.2%, 2D 6.1%, Singleplayer 4%
- #2 AquaNox
96% matchMostly Positive72% of 397 reviews2010
Dev: Massive DevelopmentPub: THQ Nordic
Windows
Median: 24 minMean: 3.1 hrs≥1hr: 32%
The water is no longer calm. The undersea world has undergone a transformation from tranquil environment to a place of unspeakable violence, graphic murder and horrific danger.
Why similar: Underwater 78.8% ★, Action 17.3%, Singleplayer 3.9%
- #3 Finesse Frenzy
96% matchNo user reviews
Windows
Finesse Frenzy is a fast-paced arcade game about eating smaller sea creatures while eluding rivals to climb the food chain. Quick consumption temporarily fills the finesse meter, scaling up speed and score. Do you have the finesse to maintain the increased speed, or will you crash and burn trying?
Why similar: Underwater 62.3% ★, PvE 13.9%, Linear 8.8%, 2D 7.2%, Action 6%
- #4 Robo Dolphin Escape
95% match4 user reviews100% of 6 reviews2026
Dev: NIIIIIIIICO
Windows · Mac · Linux
Break out of a top-secret military operation! To enter the portal that leads to your escape, you must thwart an army of fish-like machines and collect their power-ups.
Why similar: Underwater 68.3% ★, Action 9.4%, PvE 9.1%, 2D 6.8%, Linear 3.3%
- #5 One in a Krillion
94% matchVery Positive94% of 53 reviews2024
Dev: Beverly KrillsPub: DigiPen Institute of Technology
Windows
Prepare for deep-sea action! Lead swarms of krill against predators looking for their next meal. Utilize the strength of a krillion krill to swat away your enemies. With hammers, scissors, and more unique construct abilities, master the way of the krill and lay claim to your home.
Why similar: Underwater 46% ★, Beat 'em up 29.4%, Action 8.9%, Comedy 7.9%, Linear 6.4%
- #6 Offcoast
94% match2 user reviews100% of 2 reviews2024
Dev: Ice-Cold Shivering Studios
Windows
The rogue-like strategy game Offcoast takes place in a subterranean, underwater landscape.
Why similar: Underwater 88.8% ★, 2D 9.1%, Singleplayer 2.1%
- #7 Polluted Flesh
92% match7 user reviews100% of 7 reviews2026
Dev: essarrgee
Windows
Very short on-rails collector game where you're stuck in the guts of a cosmic sea creature, polluted by waste.
Why similar: Underwater 86.3% ★, Action 9.4%, Singleplayer 4.3%
- #8 AquaNox 2: Revelation
93% matchMostly Positive76% of 277 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 80.3% ★, Action 15.7%, Singleplayer 4%
- #9 Diluvion: Resubmerged
91% matchMixed62% of 1,129 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 87.5% ★, Action 11.1%, Singleplayer 1.4%
- #10 Scylla's Depths
90% matchNo user reviews2026
Dev: PigeonPub: Pigeon Studios
Windows
Scylla's Depths Underwater Horror game, This game features detailed health and radiation systems you're managing more than just a health bar with the dynamic damage and Combat systems. Almost everything is procedural and physics based.
Why similar: Underwater 74.6% ★, Action 12%, 2D 9.1%, Singleplayer 4.3%
- #11 The Swarm 2
89% 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 62.8% ★, PvE 9.8%, Top-Down Shooter 9.6%, Action 8.8%, 2D 5.8%
- #12 Protecting seagrass 保护海草
89% match3 user reviews0% of 3 reviews2025
Dev: gamescdk
Windows
Sharks are coming, come and protect the seaweed. By placing seaweed and jellyfish to block the attack of sharks, let's see how many levels can be stopped. Come and try it out.
Why similar: Underwater 84.9% ★, 2D 10%, Singleplayer 5.1%
- #13 Diving Bear
88% matchNo user reviews
Dev: VaragtP
Windows
Play as a bear diving underwater to explore the ocean’s depths. Collect shells, plants, treasures, and other valuable items from the underwater world. Use your finds to upgrade your gear, allowing you to dive deeper. The deeper you go, the more secrets and hidden places you can discover.
Why similar: Underwater 81.9% ★, Action 13.2%, 2D 4.9%
- #14 DeepBubbles
87% match6 user reviews71% of 6 reviews2025
Dev: BubblesPark
Windows
A dreamy idle aquarium game set in the deep sea, where players collect, feed, and evolve a variety of fish to build their own underwater paradise. Tap bubbles to release food, attract fish, complete tasks, and relax in a soothing aquatic world.
Why similar: Underwater 85.6% ★, 2D 7.9%, Singleplayer 6.5%
- #15 The Aquatic Adventure of the Last Human
86% matchMostly Positive75% of 525 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 81.8% ★, Action 11.3%, 2D 5%, Singleplayer 1.8%
- #16 Frikin the Laser Shark
86% matchNo user reviews
Dev: Salty Duck Studios
Windows
A 2D bullet hell platform shooter where you play as a normal shark...with a laser strapped to his head. Battle through worlds to defeat the dastardly denizens of the deep lead by the mean mustachio'd menace himself!
Why similar: Underwater 76.1% ★, Action 13.6%, 2D 7.5%, Singleplayer 2.8%
- #17 Gospel of Steel
85% matchNo user reviews
Dev: Marinex Studio
Windows
Gospel Of Steel is a first-person deep-sea welding horror game set in the shadow of a dying, bio-mechanical god. While employed by a cult, the player explores the depths alone, repairing pipelines and fending off the hostile ecosystem.
Why similar: Underwater 97.2% ★, Singleplayer 2.8%
- #18 Beyond Blue
84% matchVery Positive88% of 1,513 reviews2020
Dev: E-Line Media
Windows
Median: 2.9 hrsMean: 27.7 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 97.2% ★, Singleplayer 2.8%
- #19 Submechanic
84% matchNo user reviews
Dev: littlezander
Windows
Submechanic is a short horror game where you take an after-hours maintenance job at Captain Frill's Bar and Grill. You're required to climb down into the tanks in order to perform various repairs.
Why similar: Underwater 86.6% ★, Linear 10.3%, Singleplayer 3%
- #20 ScubaVenture: The Search for Pirate's Treasure
83% match3 user reviews100% of 3 reviews2021
Dev: SoftdiskPub: Ziggurat
Windows
Scour the wreckage of a pirate ship in this colorful 2D side scrolling underwater action adventure! Fight off all manner of sea creatures and rival divers with your harpoon gun and bombs as you gather treasure but beware of ghastly pirate ghosts seeking to reclaim what was once theirs!
Why similar: Underwater 81.5% ★, Action 13%, 2D 3.5%, Singleplayer 2%
- #21 NEO AQUARIUM - The King of Crustaceans -
82% matchMostly Positive79% of 349 reviews2015
Dev: Calappa GamesPub: PLAYISM
Windows
Median: 3.2 hrsMean: 3.5 hrs≥1hr: 84%
YOU GET TO CONTROL UNIQUE CREATURES LIKE LOBSTERS, CRABS AND BARNACLES, IN A WILD WATER WORLD THAT EXCEEDS ALL HUMAN SENSE.
Why similar: Underwater 71.3% ★, Action 15.3%, Comedy 10.8%, Singleplayer 2.5%
- #22 tuna hake's underwater
80% matchVery Positive98% of 102 reviews2025
Dev: osuika
Windows · Linux
you are a fish who does tricks
Why similar: Underwater 87.4% ★, Action 10.4%, Singleplayer 2.2%
- #23 Tidespawn
81% matchNo user reviews
Dev: Long Lost
Windows · Mac · Linux
Dive into a magical underwater world in this pixel art action-adventure RPG. Explore sunken ruins, battle fearsome sea creatures, uncover lost memories, and shape your destiny beneath the tides.
Why similar: Underwater 81.4% ★, Action 13%, 2D 4.4%, Singleplayer 1.2%
- #24 Valera The Drunken Lobster
82% match3 user reviews100% of 3 reviews2022
Dev: gothSoft
Windows
A simple and relaxing arcade game about a lobster called Valera and his attempts to collect bottles deep in the ocean.
Why similar: Underwater 63.6% ★, Comedy 17.7%, 2D 11.9%, Singleplayer 6.9%
- #25 Traíras
81% matchNo user reviews
Dev: Marcos RiffelPub: Riffel Games
Windows
For those who love exploring the underwater worlds in games, "Traíras" is the perfect adventure!
Why similar: Underwater 84.5% ★, Action 8.6%, 2D 5%, Singleplayer 1.8%
- #26 Deep Drift Signal Below
79% match3 user reviews100% of 3 reviews2026
Dev: LU WEI
Windows
Dive into a beautiful yet deadly pixel deep sea and track unknown signals from the abyss. Manage oxygen, pressure, currents, and creatures while exploring. Capture life with a harpoon, find relics and chests, upgrade gear, and face hidden giants. The deeper you go, the greater the risk.
Why similar: Underwater 85% ★, 2D 10.1%, Singleplayer 4.9%
- #27 Crazy shark
79% matchMixed58% of 12 reviews2022
Dev: Neki4 Electronics
Windows
You have to control a crazed shark that lives in the depths of the ocean. Declare war on all living things, but be careful, the military is hunting you! Eat vacationers, break yachts, wreck ships, destroying submarines and helicopters!
Why similar: Underwater 70.8% ★, Action 19.8%, 2D 5.6%, Singleplayer 3.8%
- #28 Fish Survivor : Feed and Grow and Evolve
78% matchNo user reviews
Dev: dorkybot
Windows
Dive into an epic underwater world in "Fish Survivor" where you'll start as a small fish and embark on an exciting survival journey. Hunt, feed and grow into super-sized sea creatures as you explore an amazing underwater playground, all while evolving and gaining new abilities along the way.
Why similar: Underwater 90.2% ★, Action 8%, Singleplayer 1.8%
- #29 Heart Of The Abyss
77% matchPositive86% of 21 reviews2024
Dev: AberrationPub: ESMA - Ecoles Creatives
Windows
In Heart of the Abyss, you play as the Sea watcher, who has been awakened following the emergence of a mysterious and dangerous force that corrupts the depths. Your role will be to find a way to halt its progression as it possesses creatures and turns them into monstrous beings.
Why similar: Underwater 48.8% ★, Beat 'em up 28.1%, PvE 10.1%, Linear 6.5%, Action 5.9%
- #30 Feed and Grow: Fish
77% matchMostly Positive78% of 21,631 reviews2016
Dev: Old B1oodPub: Greens s.r.o.
Windows
Median: 5.3 hrsMean: 15.5 hrs≥1hr: 81%
Hunt and eat other fish - simply, grow into larger beasts!
Why similar: Underwater 89.6% ★, Action 7.7%, Singleplayer 2.7%
- #31 Diving Trunks
78% match9 user reviews100% of 9 reviews2017
Dev: Lunacy Interactive
Windows
Trunks the elephant has dropped his peanuts overboard. Help him retrieve as many peanuts as possible from the deep ocean whilst avoiding unkindly marine creatures.
Why similar: Underwater 88% ★, 2D 7.4%, Singleplayer 4.6%
- #32 The Fish
76% match6 user reviews100% of 6 reviews2022
Dev: Nevsram
Windows
Dive down and see what lies beneath the surface. Discover a vast underwater world as different fishes. The game does not offer any real "Game Play" but is more of a simulation.
Why similar: Underwater 95.4% ★, Singleplayer 4.6%
- #33 A Deep World
75% matchNo user reviews
Dev: Jose StriedingerPub: USC Games
Windows · Mac
Guide a little green creature as it goes deep into a dark, dangerous underwater world once sealed off. You'll need to explore, hide, and outmaneuver different predators to find your lost friend and make it back home in one piece. Whatever you do, avoid the nests!
Why similar: Underwater 77.8% ★, Action 9%, 2D 6.9%, Singleplayer 4.6%, Linear 1.8%
- #34 Tasty Blue
76% matchVery Positive89% of 738 reviews2015
Dev: Dingo Games
Windows · Mac
Median: 4.0 hrsMean: 6.0 hrs≥1hr: 88%
Tasty Blue is an underwater side-scrolling eat 'em up game. You start as a small goldfish with an insatiable appetite. After being overfed by your owner, you'll escape into the ocean and eat everything that you encounter. The more you eat, the bigger you get!
Why similar: Underwater 69.9% ★, Action 9.4%, Comedy 9.3%, 2D 6.7%, Singleplayer 4.7%
- #35 Spectrum Siege
74% match1 user reviews100% of 1 reviews2025
Dev: Fantasy Vortex
Windows
Master the art of strategy in Spectrum Siege, a vibrant turn-based game of grid domination. Jump, capture, and outmaneuver your opponents on a dynamic board.
Why similar: Underwater 77.6% ★, Action 10.6%, 2D 5.5%, Singleplayer 3.4%, Linear 2.9%
- #36 Property Redistribution
74% matchNo user reviews2025
Dev: Белградский ёж
Windows · Linux
Property Redistribution is a brutal action game with a tactical component. Defeat enemies with the help of your minions, capturing districts and taking over your opponents' businesses.
Why similar: Top-Down Shooter 28.9%, Beat 'em up 19.2%, Action 18.1%, Linear 13%, PvE 9%
- #37 Dive
75% matchPositive92% of 12 reviews2018
Dev: Bala Vicknesh
Windows
Dive is a 2d pixel art platformer that takes place underwater. You cannot jump in this game, instead you use the ability to raise and lower pillars of water to gain vertical movement and solve puzzles.
Why similar: Underwater 86.2% ★, 2D 8.5%, Singleplayer 5.3%
- #38 Squidly's Revenge
71% matchPositive100% of 18 reviews2025
Dev: Howling Wolf Games
Windows
A fast-paced underwater roguelike where a squishy squid with divine powers steals enemy weapons to take revenge on Lord Azure and his Abyssal Cult. Chaos, crustaceans, and cartoon violence await!
Why similar: Underwater 52.1% ★, Action 13.6%, Top-Down Shooter 12.8%, Comedy 10%, 2D 8.3%
- #39 Death in the Water
73% matchMostly Positive72% of 307 reviews2019
Dev: Lighthouse Games Studio
Windows · Mac
Median: 24 minMean: 2.5 hrs≥1hr: 20%
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 83.9% ★, Action 9.2%, PvE 4.9%, Singleplayer 2%
- #40 Absorb Invader
72% matchNo user reviews
Dev: sshulin
Windows
Play as alien microorganism and utilize local life to earn DNA and evolve. Absorb smaller cells, feed your cell to grow bigger and purchase upgrades for earned DNA between jumps. Go deeper to find bigger cells and more DNA and food to earn.
Why similar: Underwater 80% ★, PvE 12.9%, 2D 5.4%, Singleplayer 1.7%
- #41 Barren Depths
73% match7 user reviews57% of 7 reviews2022
Dev: Kyle Obranovic
Windows
Escape a confusing cave system without being eaten in this short, underwater horror game.
Why similar: Underwater 97.2% ★, Singleplayer 2.8%
- #42 Ceto-7
72% matchNo user reviews2026
Dev: M.A.D Lad Games
Windows
Ceto-7 is a single-player underwater survival horror. Play as a salvage diver navigating a flooded alien mining facility, hunted by an apex predator, and hired to destroy sensitive corporate data. The deeper you go, the harder it becomes to ignore what you've been hired to bury.
Why similar: Underwater 88.9% ★, Action 9.5%, Singleplayer 1.6%
- #43 Crabageddon
71% match1 user reviews100% of 1 reviews2025
Dev: Team Crabageddon
Windows · Linux
Defend your tower as a battle-hardened crab in a hostile underwater world! Collect powerful artifacts, grow stronger, and survive relentless waves of sea creatures
Why similar: Underwater 78.8% ★, Action 12.3%, PvE 6.5%, Singleplayer 2.4%
- #44 Don't mess with Er Kui
71% matchNo user reviews
Dev: Rizhao Youdian Yisi Animation Design Co., Ltd.
Windows
Don't Mess With Erkui is a pixel-style side-scrolling action game. It features satisfying combat, humorous stories, and fun puzzles. Fight various enemies and unique bosses, enjoying an exciting and hilarious adventure.
Why similar: Beat 'em up 41.9%, Action 18.4%, Comedy 14.7%, Linear 9.1%, 2D 8.5%
- #45 Bubble Breaking
73% matchNo user reviews2021
Dev: GJ Arts
Windows
Bubbles come in different sizes (depths) and they rise at different speeds. Players have 60 seconds to pop as many as they can. When bubbles are popped points are scored. The smaller, faster bubbles score more points than the bigger, slower bubbles. Beware of the 'stink' bubbles.
Why similar: Underwater 75.6% ★, Action 20.8%, Singleplayer 3.5%
- #46 Deep Diving Adventures 2
70% matchNo user reviews
Dev: Salient GamesPub: Ultimate Games S.A.
Windows
Dive deeper than ever before! Search for Atlantis across 8 unique global locations. Manage your oxygen, breach the surface to plan your next move, and use dynamite or underwater robots to carve your path. Discover over 50 marine species in this immersive diving adventure.
Why similar: Underwater 97.4% ★, Singleplayer 2.6%
- #47 Song of the Deep
70% matchVery Positive85% of 870 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 89.1% ★, Action 6.1%, 2D 4.8%
- #48 Crab Kingdom
68% match3 user reviews67% of 3 reviews2026
Dev: Northmeadow Games
Windows
The crab king needs your help to protect his treasure in this underwater tower defense!
Why similar: Underwater 79.8% ★, Linear 6.8%, 2D 6.8%, PvE 4.3%, Singleplayer 2.2%
- #49 Sleep
70% match6 user reviews33% of 6 reviews2022
Dev: STuNT
Windows
Nastya, she is 18 years old. Every day she draws images of the monsters that come to her and describes them. And every night, Nastya has a dream where she fights her monsters. And with each dream, you have to get out of the dream.
Why similar: Top-Down Shooter 37.6%, PvE 17.4%, Comedy 17.4%, Action 14.8%, 2D 9.2%
- #50 Whalefall
69% matchNo user reviews
Dev: Sachi APub: Cryptic Solstice
Windows
Follow a mysterious marine biologist down to the depths to study a whalefall at the bottom of the ocean. Photograph specimen, collect samples and discover more about your closed-off marine biologist as her mind unravels and she believes there is something down there with her.
Why similar: Underwater 97.8% ★, Singleplayer 2.2%
- #51 Yuumi-Chan: Rent is Due!
67% matchPositive86% of 20 reviews2026
Dev: Krillshot Games
Windows · Mac
In this city, not even the power of friendship can stave off the threat of rising housing costs. So, put on your glittery big girl gloves, and get ready to punch, bash, thwack, and twinkle through enemies to rack up a small fortune of rent funds in Yuumi-Chan: Rent is Due!
Why similar: Beat 'em up 46.5%, PvE 15.2%, Action 11.5%, Linear 8.9%, 2D 8.5%
- #52 Watch Out: Shark!
68% matchNo user reviews2026
Dev: Blue Monkey
Windows
Survive in the ocean by feeding on smaller fish, dodging predators, and facing various dangers in this relaxing, challenging, and super fun retro arcade game—all hand-drawn in pixel art style. Dive into this adventure solo or in multiplayer mode. But remember: watch out for the shark!
Why similar: Underwater 74.4% ★, Action 10.8%, PvE 6.4%, 2D 6.1%, Singleplayer 2.3%
- #53 Kraken's Canvas
67% match3 user reviews100% of 3 reviews2025
Dev: Guilherme Venere
Windows · Linux
Experience the ocean through a child's eyes to confront the legendary Kraken in this amazing hand-drawn adventure.
Why similar: Underwater 64.2% ★, Action 19.2%, Linear 5.4%, PvE 5.2%, 2D 4.2%
- #54 Challenger's Sleep
66% match1 user reviews100% of 1 reviews2026
Dev: Mx. Shade
Windows
Challenger's Sleep is a deep sea Vertical Scroller that pulls you down from the bright Sunlight Zone and into the Sohm Abyssal Plain - and then deeper still. Featuring beautiful 2D art, simple controls, and a gripping mystery, we can learn what lays at the bottom... or stay sleeping below the waves.
Why similar: Underwater 84.2% ★, 2D 7.4%, Linear 4.3%, Singleplayer 4.1%
- #55 Marine Hearts
69% matchNo user reviews2023
Dev: SandFish
Windows
You are now a heart wandering the sea. "Marine Hearts" is a first-person 3D deep-sea omnidirectional bullet-hell shooter. You pursue the mysteries of the sea while losing your body and becoming only your heart.
Why similar: Underwater 87.2% ★, Action 9.6%, Singleplayer 3.2%
- #56 AWAGAME
68% matchNo user reviews2024
Dev: Kamegiwa
Windows
Explore the world's oceans with a sea turtle that has the ability to inflate bubbles! Bubbles can be used as bullets or shields. But be careful not to over-inflate the bubbles and suffocate! Watch your timing and jump out of the water to breathe. Turtles are lung-breathers.
Why similar: Underwater 80.5% ★, Action 10.7%, 2D 6%, Singleplayer 2.8%
- #57 Nomnomia
66% matchNo user reviews2026
Dev: momofuku
Windows
Consume enemies to steal their abilities and survive by managing your HP. Fight for survival on the mysterious planet Nomnomia in this food-chain action shooter.
Why similar: Underwater 74.3% ★, Action 14.4%, 2D 8.6%, Singleplayer 2.8%
- #58 Aquarius
67% matchPositive93% of 42 reviews2020
Dev: Iron Stag Games
Windows · Mac · Linux
Aquarius is a 90's style arcade game where you play as a cave diver in search for treasure, guarded by the ocean's fiercest predators and its cuddliest minnows. Navigate through the caves, collect the treasure, and survive!
Why similar: Underwater 60.7% ★, Action 30.3%, 2D 6.1%, Singleplayer 3%
- #59 Bepuzzled Jigsaw Puzzle: Aquatic
69% matchNo user reviews2019
Dev: Team SpikkeeePub: Spikkeee
Windows · Mac · Linux
103 Jigsaw Puzzles of underwater and marine awesome! Three sizes of puzzle: 8 x 8 = 64 pieces 16 x 16 = 128 pieces 32 x 32 = 1024 pieces Timer and hints What great value!
Why similar: Underwater 100% ★