- #1 SharkKing
97% match4 user reviews100% of 4 reviews2023
Dev: RoguePixel
Windows
SharkKing is an aquatic eat em up.
Why similar: Underwater 71.2% ★, Action 11.6%, PvE 7.2%, 2D 6.1%, Singleplayer 3.9%
- #2 AquaNox
96% matchMostly Positive71% of 393 reviews2010
Dev: Massive DevelopmentPub: THQ Nordic
Windows
Median: 24 minMean: 3.1 hrs≥1hr: 33%
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 79.5% ★, Action 16.6%, Singleplayer 3.8%
- #3 Robo Dolphin Escape
96% 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 68.9% ★, PvE 9.1%, Action 9%, 2D 6.8%, Linear 3.2%
- #4 Offcoast
95% 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 88.9% ★, 2D 9%, Singleplayer 2.1%
- #5 One in a Krillion
94% matchVery Positive94% of 52 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 47.1% ★, Beat 'em up 28.7%, Action 8.7%, Comedy 7.8%, Linear 6.3%
- #6 AquaNox 2: Revelation
94% 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 81% ★, Action 15.1%, Singleplayer 3.9%
- #7 Diluvion: Resubmerged
92% matchMixed62% of 1,125 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 87.9% ★, Action 10.8%, Singleplayer 1.4%
- #8 Shrimp Escape
91% matchNo user reviews
Dev: TheCyberYakPub: The Cyber Yak Studios, LLC
Windows
A fast-paced arcade survival game where you dodge predators, navigate dangerous waters, and master precise movement to help a shrimp escape capture. Play through a story-driven journey or test your skills in endless survival mode.
Why similar: Underwater 75.8% ★, Action 9.1%, PvE 8.9%, 2D 4.1%, Singleplayer 2.1%
- #9 The Swarm 2
91% 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 63.4% ★, PvE 9.8%, Top-Down Shooter 9.4%, Action 8.5%, 2D 5.8%
- #10 Protecting seagrass 保护海草
90% 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 85.1% ★, 2D 9.9%, Singleplayer 5%
- #11 Diving Bear
89% 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 82.5% ★, Action 12.7%, 2D 4.8%
- #12 DeepBubbles
89% match5 user reviews83% 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 85.8% ★, 2D 7.8%, Singleplayer 6.4%
- #13 Beyond Blue
87% matchVery Positive88% of 1,474 reviews2020
Dev: E-Line Media
Windows
Median: 2.9 hrsMean: 28.6 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 97.3% ★, Singleplayer 2.7%
- #14 The Aquatic Adventure of the Last Human
88% matchMostly Positive75% of 509 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 82.4% ★, Action 10.8%, 2D 5%, Singleplayer 1.8%
- #15 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 76.7% ★, Action 13.1%, 2D 7.4%, Singleplayer 2.8%
- #16 Gospel of Steel
86% matchNo user reviews
Dev: Marinex Corp.
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 97.1% ★, Singleplayer 2.9%
- #17 ScubaVenture: The Search for Pirate's Treasure
85% match2 user reviews100% of 2 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 82.1% ★, Action 12.4%, 2D 3.5%, Singleplayer 2%
- #18 NEO AQUARIUM - The King of Crustaceans -
84% matchMostly Positive79% of 344 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 72.1% ★, Action 14.7%, Comedy 10.6%, Singleplayer 2.5%
- #19 Valera The Drunken Lobster
84% 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 64.2% ★, Comedy 17.3%, 2D 11.8%, Singleplayer 6.8%
- #20 Traíras
83% 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 85% ★, Action 8.2%, 2D 5%, Singleplayer 1.8%
- #21 tuna hake's underwater
81% matchVery Positive99% of 98 reviews2025
Dev: osuika
Windows · Linux
you are a fish who does tricks
Why similar: Underwater 87.9% ★, Action 9.9%, Singleplayer 2.1%
- #22 Puffer Pop
82% match2 user reviews100% of 2 reviews2023
Dev: Mountain Peke Games
Windows
Puffer Pop is a short puzzle game about saving a pufferfish from the sharks that chase her. Eat bubbles, inflate, and turn the tides on those that would eat you, all while relaxing to calming sound of ocean waves.
Why similar: Underwater 92.4% ★, 2D 5%, Singleplayer 2.6%
- #23 Diving Trunks
82% 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 88.2% ★, 2D 7.3%, Singleplayer 4.5%
- #24 Fish Survivor : Feed and Grow and Evolve
81% 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 90.6% ★, Action 7.7%, Singleplayer 1.8%
- #25 Feed and Grow: Fish
80% matchMostly Positive78% of 21,066 reviews2016
Dev: Old B1oodPub: Greens s.r.o.
Windows
Median: 5.3 hrsMean: 15.3 hrs≥1hr: 81%
Hunt and eat other fish - simply, grow into larger beasts!
Why similar: Underwater 90% ★, Action 7.3%, Singleplayer 2.6%
- #26 Slime Scramble
79% matchPositive100% of 10 reviews2024
Dev: Cag
Windows
A cheerful, family-friendly arcade adventure! Guide your slime through fun retro-style arenas, eat and dodge to survive, and enjoy mini-games along the way. Casual, colorful, and suitable for all ages!
Why similar: Underwater 70.8% ★, Action 12.7%, 2D 10.6%, Singleplayer 5.9%
- #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 71.7% ★, Action 19%, 2D 5.5%, Singleplayer 3.7%
- #28 The Fish
78% 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 95.5% ★, Singleplayer 4.5%
- #29 Heart Of The Abyss
77% matchPositive83% of 18 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 49.7% ★, Beat 'em up 27.3%, PvE 10.2%, Linear 6.4%, Action 5.7%
- #30 Port of Jumanah
78% matchNo user reviews2026
Dev: Red Dunes Games
Windows
From a humble port, you set out to clean the ocean of troublemakers. Hack and harpoon through absurd foes, shady allies, and your own bad calls. The world wants a hero… your friends want you to punch an orca. Both valid. Choose wisely—or don’t. The sea remembers everything.
Why similar: Underwater 58.1% ★, Comedy 16.3%, PvE 9%, Action 7.5%, 2D 5.9%
- #31 Tasty Blue
77% matchVery Positive89% of 715 reviews2015
Dev: Dingo Games
Windows · Mac
Median: 3.9 hrsMean: 5.9 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 70.5% ★, Comedy 9.2%, Action 9%, 2D 6.7%, Singleplayer 4.7%
- #32 A Deep World
76% 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 78.3% ★, Action 8.6%, 2D 6.8%, Singleplayer 4.5%, Linear 1.7%
- #33 Spectrum Siege
75% 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 78.2% ★, Action 10.2%, 2D 5.5%, Singleplayer 3.3%, Linear 2.8%
- #34 Dive
76% matchPositive100% of 11 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 86.5% ★, 2D 8.4%, Singleplayer 5.2%
- #35 Barren Depths
75% 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%
- #36 Absorb Invader
74% 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 80.2% ★, PvE 12.8%, 2D 5.4%, Singleplayer 1.7%
- #37 Death in the Water
73% matchMostly Positive72% of 300 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 84.3% ★, Action 8.8%, PvE 4.9%, Singleplayer 1.9%
- #38 Deep Diving Adventures 2
73% 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 97.5% ★, Singleplayer 2.5%
- #39 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 53% ★, Action 13.1%, Top-Down Shooter 12.6%, Comedy 9.9%, 2D 8.3%
- #40 Song of the Deep
73% matchVery Positive85% of 865 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 89.5% ★, Action 5.8%, 2D 4.7%
- #41 Crabageddon
72% 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 79.4% ★, Action 11.7%, PvE 6.5%, Singleplayer 2.4%
- #42 Scary Cave Diving
72% matchNo user reviews2026
Dev: Ekblad
Windows
Can you hold your breath when panic sets in? Experience the terror of deep-sea cave diving. Scavenge resources and fight to survive as you navigate procedurally generated underwater caves stalked by an apex predator!
Why similar: Underwater 82.3% ★, Action 8.6%, Linear 5.6%, Singleplayer 3.5%
- #43 Bubble Breaking
74% 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 76.5% ★, Action 20%, Singleplayer 3.5%
- #44 Crab Kingdom
70% match1 user reviews0% of 1 reviews2026
Dev: Northmeadow Games
Windows
The crab king needs your help to protect his treasure in this underwater tower defense!
Why similar: Underwater 80.2% ★, 2D 6.7%, Linear 6.6%, PvE 4.3%, Singleplayer 2.2%
- #45 Property Redistribution
71% 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 29%, Beat 'em up 19%, Action 17.8%, Linear 13%, PvE 9.2%
- #46 Watch Out: Shark!
70% matchNo user reviews
Dev: Blue Monkey
Windows
Survive the ocean by feeding on smaller fish, dodging predators, and defeating the shark!
Why similar: Underwater 74.9% ★, Action 10.4%, PvE 6.4%, 2D 6.1%, Singleplayer 2.3%
- #47 Don't mess with Er Kui
69% 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 41.6%, Action 18.2%, Comedy 14.8%, Linear 9.1%, 2D 8.7%
- #48 Marine Hearts
70% 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 87.7% ★, Action 9.2%, Singleplayer 3.2%
- #49 A Mermaid's Paradoxical Tale
68% matchNo user reviews
Dev: Stephen SearsPub: Knowledge-Engine LLC
Windows
Dive into Mermaid's Paradoxical Tale, a 3D exploration puzzle game. Traverse sun-kissed islands and eerie underwater caves, solve intriguing puzzles, and uncover the mystery of the dark creatures that lurk in the deep caves menacing the peaceful aquatic realm.
Why similar: Underwater 98% ★, Singleplayer 2%
- #50 Bepuzzled Jigsaw Puzzle: Aquatic
71% 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% ★
- #51 AWAGAME
69% 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 81% ★, Action 10.2%, 2D 5.9%, Singleplayer 2.8%
- #52 Challenger's Sleep
67% matchNo user 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 84.5% ★, 2D 7.3%, Linear 4.2%, Singleplayer 4%
- #53 Nomnomia
67% matchNo user reviews2026
Dev: momofuku
Windows · Mac
Consume enemies to steal their abilities and survive by replenishing your constantly draining HP. Fight for survival on the mysterious planet Nomnomia in this food-chain action shooter.
Why similar: Underwater 74.9% ★, Action 13.8%, 2D 8.5%, Singleplayer 2.7%
- #54 Sleep
68% 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 37.5%, PvE 17.8%, Comedy 17.4%, Action 14.5%, 2D 9.3%
- #55 Wreck Below
67% matchNo user reviews
Dev: Tide Hermit
Windows
A 1-4 player co-op deep-sea horror game where crews dismantle wrecks inside a paranormal oceanic phenomenon. Complete research operations, survive hostile entities, and uncover the source in the depths.
Why similar: Underwater 80.6% ★, PvE 11.3%, Action 6.4%, Singleplayer 1.7%
- #56 Invincible Fins
68% match2 user reviews100% of 2 reviews2021
Dev: Reggelente
Windows
A game recommended for younger kids. You control a little fish that just got back to the ocean from a thrown away aquarium. Explore the colorful underwater world, collect treasures, avoid dangers and find your new home.
Why similar: Underwater 92% ★, 2D 4.5%, Singleplayer 3.5%
- #57 Ami's Pearl Dive
67% matchNo user reviews
Dev: Soepkip Studio
Windows · Linux
Ami's Pearl Dive is a quaint underwater adventure game developed for the Game Boy Color! Help Ami dive deeper to find her missing mermaid friend, collect pearls and meet interesting faces along the way!
Why similar: Underwater 90.3% ★, 2D 7.2%, Singleplayer 2.5%
- #58 Kraken's Canvas
66% match2 user reviews100% of 2 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 65% ★, Action 18.5%, Linear 5.3%, PvE 5.2%, 2D 4.2%
- #59 Euphausia superba: The Antarctic Krill
66% matchNo user reviews2026
Dev: Ruru Owl Interactive
Windows · Mac
Swim, let yourself carried with ocean currents, and search for phytoplankton alongside krill, a small crustacean. Guide a krill on a fascinating journey to reach the ice floe in this relaxing, interactive wildlife documentary.
Why similar: Underwater 92.6% ★, Linear 4.8%, Singleplayer 2.6%