- #1 Feed and Grow: Fish
97% matchMostly Positive78% of 20,772 reviews2016
Dev: Old B1oodPub: Greens s.r.o.
Windows
Median: 5.2 hrsMean: 15.2 hrs≥1hr: 81%
Hunt and eat other fish - simply, grow into larger beasts!
Why similar: Underwater 57.3% ★, Survival 17.7%, Multiplayer 10.6%, Simulation 9.5%, Action 2.5%
- #2 Blue Epic
96% matchMixed53% of 15 reviews2023
Dev: Whitewater PacificPub: Whitewater Pacific
Windows
Blue Epic is an ocean survival game where players can play marine creatures to survive; Complete control system included in the game
Why similar: Underwater 53.5% ★, Survival 17.5%, PvP 12.4%, Online Co-Op 8.1%, Multiplayer 7.2%
- #3 Subnautica 2
96% matchNo user reviews2026
Dev: Unknown Worlds EntertainmentPub: KRAFTON, Inc.
Windows
Immerse yourself in a new adventure with Subnautica 2, an open-water survival game from the creators of the Subnautica series. Play alone or with friends as you explore alluring biomes and discover fascinating creatures. Craft vehicles, tools, and bases to survive this mysterious alien world.
Why similar: Underwater 59.1% ★, Survival 18.7%, Multiplayer 12.7%, Co-op 7.6%, Action 1.5%
- #4 Death in the Water
94% matchMostly Positive72% of 295 reviews2019
Dev: Lighthouse Games Studio
Windows · Mac
Median: 24 minMean: 2.6 hrs≥1hr: 21%
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 65.7% ★, Survival 13.5%, Multiplayer 8.9%, Simulation 7.9%, Action 3.6%
- #5 Anchor
94% matchNo user reviews
Dev: Fearem
Windows
Anchor is a large-scale underwater multiplayer survival game. Build your base, craft tools and weapons, explore, loot and prepare for battle. Every player is a potential threat in a persistent world where bases can be raided, alliances broken, and the ocean itself hunts you.
Why similar: Underwater 55.9% ★, Survival 15.7%, PvP 10.5%, Multiplayer 10.2%, Online Co-Op 5.1%
- #6 The Fish
93% 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 82.6% ★, Simulation 16.4%, Singleplayer 1%
- #7 Away From Life
92% matchNo user reviews
Dev: Cursor Games
Windows
You survived a helicopter crash; going home is your top priority. Live as a castaway - survive the dangers of the islands by using your environment to find food, build shelter, craft tools to extend your stay, explore the secrets of the islands and their surrounding waters, and carve your way home.
Why similar: Underwater 44.8% ★, Survival 14.9%, PvP 12.7%, Multiplayer 7.7%, Simulation 5.8%
- #8 Beyond Blue
91% matchVery Positive88% of 1,441 reviews2020
Dev: E-Line Media
Windows
Median: 3.0 hrsMean: 29.4 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 90% ★, Simulation 9.3%, Singleplayer 0.7%
- #9 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 74% ★, Survival 20.7%, Action 4.7%, Singleplayer 0.5%
- #10 AquaNox
90% matchMostly Positive71% of 391 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 85.3% ★, Action 9.5%, Simulation 4.1%, Singleplayer 1.1%
- #11 Underwater Life
89% matchMixed57% of 23 reviews2021
Dev: Stas Paty9mkinPub: Piece Of Voxel
Windows
Underwater Life is an indie simulator game made in 2D graphics with pleasant musical accompaniment.
Why similar: Underwater 53.4% ★, Survival 16%, PvP 10.7%, Multiplayer 10.5%, Simulation 8.7%
- #12 Deep Blue: Devour and Evolve
88% matchPositive90% of 40 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 63.2% ★, Survival 19.1%, PvP 6.1%, Roguelite 5.9%, Action 4.4%
- #13 Depth
89% matchVery Positive88% of 32,723 reviews2014
Dev: Ammobox Studios
Windows
Median: 4.5 hrsMean: 35.7 hrs≥1hr: 88%
Play as a shark or a diver in a dark aquatic world and overcome your enemies by employing cunning, teamwork, and stealth. Depth blends tension and visceral action as you team up against AI or be matched with other players in heart pounding combat.
Why similar: Underwater 48.9% ★, Survival 14.8%, PvP 12.8%, Multiplayer 10.4%, Co-op 7.3%
- #14 AquaNox 2: Revelation
87% matchMostly Positive76% of 274 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 85.3% ★, Action 8.4%, Simulation 5.2%, Singleplayer 1.1%
- #15 Titanic VR
86% matchVery Positive83% of 297 reviews2018
Dev: Immersive VR Education Ltd
Windows
Median: 48 minMean: 1.4 hrs≥1hr: 48%
Witness the sinking of RMS Titanic. Explore the shipwreck. Titanic VR is a diving simulator and immersive interactive story. With over 6 hours of game-play Titanic VR you will leave with a greater understanding of the historic tragedy that unfolded in 1912.
Why similar: Underwater 64% ★, Simulation 26%, Action 10%
- #16 Eat Fish, Get Achievements
86% matchPositive94% of 31 reviews2022
Dev: DaSticks
Windows
Eat Fish, Get Achievements is a relaxing arcade-style game where you eat fish and unlock new playable characters. The game involves moving around a 2d environment and eating smaller fish than yourself. Some fish have abilities and some change the rules of the game. Get achievements and high scores!
Why similar: Underwater 79.1% ★, Survival 20.5%, Singleplayer 0.4%
- #17 Abyss Diver
85% matchNo user reviews2026
Dev: JMT Games
Windows
Explore the abandoned city deep beneath the ocean. Gather resources before your oxygen runs out, and cooperate with your teammates amidst the threat of monstrous creatures. A cooperative underwater survival action game where a single decision can mean life or death.
Why similar: Underwater 65.7% ★, Online Co-Op 12.5%, Multiplayer 9.3%, Simulation 8.4%, Action 4.1%
- #18 Ladybugs and Storm
84% matchNo user reviews2022
Dev: TITANIUM ARMOR
Windows
Ladybugs and storm is open world exploration simulation, it is about ladybugs survival through the storm, the mission is explore the towers on tiny islands for some food, so the ladybugs will survive through the storm
Why similar: Underwater 68% ★, Survival 22.7%, Simulation 8.3%, Singleplayer 1%
- #19 What'Sub
83% matchNo user reviews
Dev: Khaos Games
Windows · Linux
What'SUB is a 4-player co-op submarine extraction game where a crew of divers pilots a rust-bucket submarine into the depths to recover treasure from the ocean’s graveyard. Gear up in the harbor before each dive, then risk everything in hostile depths to bring your haul back to the surface.
Why similar: Underwater 38.5% ★, Survival 16%, Multiplayer 11.5%, Online Co-Op 9.3%, Co-op 8.5%
- #20 Tasty Blue
84% matchVery Positive89% of 697 reviews2015
Dev: Dingo Games
Windows · Mac
Median: 3.9 hrsMean: 5.9 hrs≥1hr: 89%
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 65.9% ★, Survival 16.5%, Multiplayer 12%, Action 4.5%, Singleplayer 1.1%
- #21 Diving Focus
82% match1 user reviews100% of 1 reviews2025
Dev: SUDT Games
Windows
“Diving Focus” is a scuba diving simulator in which you have to explore the underwater world by diving into the water and looking for objects that will help you in the further progression of the game!
Why similar: Underwater 59.2% ★, Survival 17.5%, Co-op 10.8%, Simulation 7.6%, Multiplayer 4.5%
- #22 CHOMP CHOMP Carnage
81% matchNo user reviews
Dev: Llamaplay
Windows
Eat everything. Grow big. The ocean's never looked this cozy and deadly at the same time. A fish-eat-fish arcade chomper where every creature is crafted from wool. Devour your way up the food chain in CHOMP CHOMP Carnage.
Why similar: Underwater 63.8% ★, Survival 23.4%, Action 10.6%, Singleplayer 2.2%
- #23 Barotrauma
79% matchVery Positive94% of 84,235 reviews2023
Dev: FakeFishPub: Daedalic Entertainment
Windows · Mac · Linux
Median: 8.9 hrsMean: 54.3 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 46.8% ★, Survival 19.7%, Multiplayer 13.8%, Co-op 11.3%, Simulation 6.1%
- #24 Diluvion: Resubmerged
82% 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 93.5% ★, Action 6.1%, Singleplayer 0.4%
- #25 Offcoast
81% 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 99.4% ★, Singleplayer 0.6%
- #26 When Bricks Fly
80% matchNo user reviews
Dev: mesaa
Windows
Face off with the world's deadliest disasters in When Bricks Fly! Dive down with scuba gear, hide in bathtubs or stop tsunamis with nukes! How will you survive?
Why similar: Underwater 60% ★, Survival 20.8%, Simulation 7.7%, Roguelite 7.2%, Action 3.7%
- #27 Sea Warden
79% matchNo user reviews2026
Dev: Alcedo Games
Windows
Sea Warden is a co-op survival game set on a living island carried across the endless ocean by a massive sea turtle named Ao. The sea, the wind, and the creatures beneath the waves are always changing.
Why similar: Underwater 44.6% ★, Survival 26.5%, Multiplayer 15.9%, Online Co-Op 11.2%, Action 1.9%
- #28 DeepBubbles
77% 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 91.1% ★, Simulation 7.2%, Singleplayer 1.8%
- #29 Primal Blue
78% matchNo user reviews
Dev: Mythroot Interactive
Windows
Survive and thrive as a sea creature in a vast online ocean. Hunt, evolve, and adapt in a dynamic underwater world filled with danger, mystery, and other players. Will you rise as an apex predator or vanish beneath the waves?
Why similar: Underwater 57.5% ★, Survival 16%, PvP 14.7%, Simulation 7.9%, Action 3.9%
- #30 Sipho
77% matchVery Positive85% of 350 reviews2023
Dev: All Parts Connected
Windows · Mac · Linux
Sipho is an action survival game with an intricate building system. Grow your own creature and take over the local ecosystem. Fight, grow, survive, dominate. Play in adventure or sandbox mode.
Why similar: Underwater 52.9% ★, Action Roguelike 13.8%, Survival 11.7%, Simulation 9.5%, Roguelite 6.2%
- #31 NEO AQUARIUM - The King of Crustaceans -
78% matchMostly Positive79% of 334 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 73.3% ★, Survival 9.6%, Multiplayer 8.6%, Action 7.9%, Singleplayer 0.6%
- #32 Robo Dolphin Escape
76% 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 81% ★, Action Roguelike 12.5%, Action 5.6%, Singleplayer 0.9%
- #33 Tidal Life
76% matchNo user reviews
Dev: Game Star
Windows
Tidal Life is a first person open world exploration game. On this vast and boundless island, you must survive through diving, fishing, and beachcombing. Use the resources you gather to upgrade your equipment, complete the illustrated guide, enrich your island. collect or defeat them all !
Why similar: Underwater 54.6% ★, Multiplayer 17%, Co-op 10.3%, Online Co-Op 7.9%, Action 5.3%
- #34 La terrible vengeance de Pancho la crevette
75% matchNo user reviews
Dev: Cèdre
Windows
La terrible vengeance de Pancho la crevette est un jeu d'action en vue du dessus dans un monde subaquatique-western. Aidez Pancho la crevette à se venger de ses ennemis, échappez-leur et éliminez-les en leur tirant des bulles supersoniques grâce aux pouvoirs des crevettes pistolet.
Why similar: Underwater 90.7% ★, Action 7.6%, Singleplayer 1.8%
- #35 Sunkenland
73% matchVery Positive81% of 22,996 reviews2023
Dev: Vector3 Studio
Windows
Median: 8.5 hrsMean: 17.9 hrs≥1hr: 88%
Get ready for a Waterworld-themed survival game with modular base building, sunken city scavenging, crafting, base defense, and invasions of NPC clans for resources and territory. Ready for the water apocalypse?
Why similar: Underwater 55.5% ★, Survival 20.8%, Multiplayer 11.7%, Co-op 10.3%, Action 1.8%
- #36 Wreck Below
74% matchNo user reviews
Dev: Tide Hermit
Windows
A 1-4 player co-op horror game where you dive into haunted wrecks to dismantle them and escape before you are noticed.
Why similar: Underwater 75% ★, Online Co-Op 11.7%, Multiplayer 5.4%, Co-op 4.3%, Action 3.2%
- #37 Project Castaway
72% matchMixed67% of 1,632 reviews2026
Dev: Mardonpol Inc.
Windows · Linux
Median: 1.9 hrsMean: 6.5 hrs≥1hr: 69%
Project Castaway is a survival crafting title set in the Pacific Ocean. Live the life of a stranded castaway, with only yourself - and the island's inhabitants - for company! Sail the ocean, hunt, explore unique islands and gather resources as you fight for survival.
Why similar: Underwater 47.8% ★, Survival 18.3%, Multiplayer 10.5%, Online Co-Op 10.1%, Co-op 9.6%
- #38 Classroom Aquatic
73% matchNo user reviews
Dev: Sunken Places
Windows · Mac · Linux
The world’s first underwater stealth trivia game! Play as a foreign exchange diver student in a school for dolphins, cheating, sabotaging, and manipulating your way to the top of the class!
Why similar: Underwater 70.9% ★, Simulation 29.1%
- #39 Somnium Tenebris
72% matchPositive100% of 16 reviews2024
Dev: LittleLeaf Games
Windows
Somnium Tenebris is a 5-player, investigative horror game set in a Lovecraftian world. Explore the depths of the ocean with your team as you uncover evidence in your efforts to identify the megalithic creature... and escape before it's too late.
Why similar: Underwater 65.3% ★, Multiplayer 11.5%, Online Co-Op 11.4%, Co-op 8.9%, Simulation 2.2%
- #40 Depth Hunter 2: Deep Dive
74% matchMostly Positive74% of 986 reviews2014
Dev: Biart Company LLC
Windows
Median: 4.8 hrsMean: 8.0 hrs≥1hr: 93%
Depth Hunter 2 is an underwater hunting game, allowing the complete experience of the spearfishing extreme sport!
Why similar: Underwater 77.4% ★, Simulation 13.7%, Action 4.3%, Multiplayer 4%, Singleplayer 0.6%
- #41 SharkKing
73% match4 user reviews100% of 4 reviews2023
Dev: RoguePixel
Windows
SharkKing is a roguelike, aquatic eat em up.
Why similar: Underwater 90.7% ★, Action 7.8%, Singleplayer 1.5%
- #42 Hadalis
71% matchNo user reviews
Dev: Goat Studios
Windows
Hadalis is a co-op deep sea survival game where every mistake can be fatal. Alone or with a crew, descend into the hadal zone while keeping your fragile submersible intact as pressure, creatures, and failing systems push you to the brink. Will you endure the abyss?
Why similar: Underwater 52.9% ★, Multiplayer 19.3%, Online Co-Op 13.7%, Co-op 11.9%, Action 2.2%
- #43 tuna hake's underwater
69% matchVery Positive99% of 94 reviews2025
Dev: osuika
Windows · Linux
you are a fish who does tricks
Why similar: Underwater 93.8% ★, Action 5.6%, Singleplayer 0.6%
- #44 Diving Bear
70% 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 92.5% ★, Action 7.5%
- #45 Pixel Game Maker Series Fish Tornado
71% match1 user reviews100% of 1 reviews2022
Dev: Gotcha Gotcha Games
Windows
A simple action game that all you need is your left stick! Turn your fish into a giant swarm and take down your enemies!
Why similar: Underwater 71.5% ★, Multiplayer 15.8%, PvP 6.8%, Action 5.8%, Singleplayer 0.2%
- #46 ENDER OCEAN - Your mission: "Clean the Ocean"
70% matchMostly Positive80% of 15 reviews2022
Dev: Ender Ocean
Windows · Mac · Linux
The Ender Ocean principle? Locate and collect waste (plastic bags, bottles, lost nets...) thanks to underwater robots connected to a collection boat, in order to valorize them afterwards, all from home.
Why similar: Underwater 80.3% ★, Simulation 18.9%, Singleplayer 0.7%
- #47 Mermaid Colony
70% matchMixed60% of 35 reviews2019
Dev: M. HankaPub: Liu Lidan
Windows
Mermaid Colony is an atmospheric survival strategy game. You're granted godlike powers to guide the mermaids in a battle between light and darkness.
Why similar: Underwater 69.1% ★, Survival 16.4%, Simulation 13.6%, Singleplayer 0.9%
- #48 Barren Depths
69% 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 99.3% ★, Singleplayer 0.7%
- #49 Elemental Warriors
68% matchNo user reviews
Dev: 128itgames
Windows
Super adventure arena for local party.
Why similar: PvP 29.9%, Simulation 20.1%, Multiplayer 14%, Online Co-Op 13%, Co-op 12.8%
- #50 Descent Below
68% matchNo user reviews
Dev: Descent Below Team
Windows
COOPERATIVE UNDERWATER TRAITOR HORROR. 4 players. 1 mission. Descend into an abandoned base at the bottom of the ocean.
Why similar: Underwater 69.5% ★, Online Co-Op 13%, Multiplayer 7.9%, Co-op 6.2%, Action 3.3%
- #51 Little island
67% match1 user reviews0% of 1 reviews2025
Dev: Fantasy Vortex
Windows
Plunge into a vibrant underwater world as a heroic mermaid—battle whimsical sea creatures, clean up ocean pollution, and team up with your crab companion in a charming roguelite adventure.
Why similar: Underwater 74.7% ★, Roguelite 10.3%, Action Roguelike 9.8%, Action 4.5%, Singleplayer 0.8%
- #52 BREATHE
69% matchMixed49% of 366 reviews2018
Dev: dotBunny
Windows · Mac
Median: 24 minMean: 5.6 hrs≥1hr: 34%
Descend beneath the waves and explore treasure-filled waters! Scour a mysterious island for secret treasure, and unearth long-hidden secrets.
Why similar: Survival 48.3%, Multiplayer 30.8%, Simulation 20%, Singleplayer 0.9%
- #53 Puffer Pop
67% 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 99.3% ★, Singleplayer 0.7%
- #54 Subcontractors
67% 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: Underwater 57.9% ★, Multiplayer 14%, Online Co-Op 13.2%, Co-op 11%, Action 3.9%
- #55 Protecting seagrass 保护海草
66% match1 user reviews0% of 1 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 98.5% ★, Singleplayer 1.5%
- #56 Crazy shark
67% 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 76.7% ★, Action Roguelike 11.5%, Action 10.8%, Singleplayer 1%
- #57 Absorb Invader
66% 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 82.5% ★, Simulation 10%, Roguelite 7%, Singleplayer 0.4%