- #1 Deep Diving Adventures 2
97% 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 51.5% ★, Immersive 15.9% ★, Exploration 8.5%, Atmospheric 7.5%, Simulation 5.5%
- #2 Euphausia superba: The Antarctic Krill
96% 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 51.6% ★, Relaxing 12.4%, Exploration 7.6%, Cute 6.3%, Colorful 5.1%
- #3 ABZU
96% matchVery Positive93% of 27,612 reviews2016
Dev: Giant SquidPub: 505 Games
Windows
Median: 2.7 hrsMean: 5.4 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 48.8% ★, Relaxing 17%, Atmospheric 8.9%, Exploration 8.7%, Colorful 4.1%
- #4 Diving Bear
95% 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 55.2% ★, Fishing 11.1% ★, Exploration 6.4%, Adventure 6.2%, Casual 4.6%
- #5 The Aquarium
94% matchNo user reviews
Dev: Eiwar GamesPub: Ultimate Publishing
Windows
Dive into a breathtaking underwater world! Catch rare fish with your bare hands, harvest beautiful corals, and explore rivers and oceans by boat or ATV. Bring nature's beauty home to design stunning aquariums, breed your aquatic family, and trade in a lively village. Your cozy escape awaits!
Why similar: Underwater 38.1% ★, Fishing 16.7% ★, Open World 9.3%, Relaxing 6.7%, Exploration 5.9%
- #6 Cast Ashore
94% matchNo user reviews
Dev: Unanchored Studios
Windows
After a catastrophic rocket crash, you find yourself stranded on an island with only the ocean and unexplored land before you. Immerse yourself in a peaceful, open-world adventure where curiosity guides your journey. Survive. Build. Explore.
Why similar: Underwater 30.9% ★, Base Building 13.7%, Open World 10.1%, Crafting 9.4%, Relaxing 8.6%
- #7 DAVE THE DIVER
93% matchOverwhelmingly Positive97% of 161,000 reviews2023
Dev: MINTROCKET
Windows · Mac
Median: 13.5 hrsMean: 27.1 hrs≥1hr: 89%
DAVE THE DIVER is a casual, singleplayer adventure RPG featuring deep-sea exploration and fishing during the day and sushi restaurant management at night. Join Dave and his quirky friends as they seek to uncover the secrets of the mysterious Blue Hole.
Why similar: Underwater 34.6% ★, Fishing 21.7% ★, Relaxing 10.4%, Crafting 7.7%, Exploration 6.9%
- #8 Tidal Life
92% 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 36.5% ★, Base Building 12.6%, Open World 10.2%, Crafting 7.5%, Adventure 5.4%
- #9 Shipwreck Discovery
91% matchNo user reviews2025
Dev: Scott W. GonnelloPub: Lionfish Central, Inc
Windows
Hunt Lionfish, plant coral, and save the reef! Created by marine science non-profit Lionfish Central, and narrated by the world-renowned marine scientist and researcher: Dr. Steve Gittings, Shipwreck Discovery immerses players in the world of real shipwrecks off the coast of Destin, Florida.
Why similar: Underwater 43.5% ★, Immersive 28.2% ★, Exploration 6.8%, Relaxing 5.2%, Simulation 4.3%
- #10 Beyond Blue
91% 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 66.7% ★, Exploration 9.3%, Simulation 5.9%, Adventure 4.9%, Relaxing 2.8%
- #11 Enchanted Oceans Inc.
90% matchNo user reviews
Dev: Maritima Games
Windows
Take to the seas and help bring life back to a shattered ocean archipelago in this third person ocean adventure created by a marine biologist! Make use of your trusty vessel, deep sea diving skills, and a sprinkling of magic to achieve your goals and help the people of Rhu.
Why similar: Underwater 40.7% ★, Fishing 17.6% ★, Simulation 10.4%, Exploration 9.5%, RPG 9.4%
- #12 Subside
89% matchOverwhelmingly Positive97% of 523 reviews2024
Dev: A2D Software
Windows
Subside is an immersive aquatic VR experience with multiple areas to explore and lifelike aquatic creatures to interact with. Crafted with unparalleled realism, it aims to replicate the nuances of real-life swimming and diving in shallow waters
Why similar: Underwater 44.7% ★, Immersive 27.8% ★, Relaxing 7.7%, Simulation 7.4%, Exploration 6.5%
- #13 Ice Moon Odyssey
89% matchNo user reviews
Dev: Game Quest Studios
Windows
Join the expedition! Explore the icy depths of Glacialis - a newly discovered moon of Neptune. Discover, collect, and survive.
Why similar: Underwater 31.2% ★, Fishing 18.5% ★, Crafting 9.5%, Relaxing 8%, Open World 7%
- #14 Piscirazzi: Fish Photo Shooter
88% match3 user reviews100% of 3 reviews2023
Dev: Ben Flavell
Windows · Mac
Dive into Piscirazzi, an underwater photography roguelite! Take photos of exotic fish and choose upgrades to enhance your camera. Then review your stunning photos to improve your photography skills. Can you snap them all?
Why similar: Underwater 46.6% ★, Fishing 16.9% ★, Relaxing 12.1%, Exploration 6%, Colorful 4.8%
- #15 Harpoon Reef Hunter
87% matchNo user reviews
Dev: Five Cyclops
Windows
First-Person underwater fishing game that takes you from colorful coral reefs to the depths of the open sea to discover all the species of fish. Become a seasoned harpoon hunter by upgrading your equipment to find the rarest fish out there.
Why similar: Underwater 48.3% ★, Fishing 23.5% ★, Exploration 6.9%, Stylized 5%, Colorful 4.7%
- #16 Echoes of Mora VR
86% matchNo user reviews2026
Dev: Selkies Interactive
Windows
Swim with your own arms through a mysterious sunken village in VR. Hidden in flooded houses lie traces of those who lived here. One of them is Mora. Follow her trail through portals to the days before the flood and help her find her lost brother. What you uncover could change everything.
Why similar: Underwater 40% ★, Immersive 24.7% ★, Relaxing 9%, Exploration 7.7%, Atmospheric 6.1%
- #17 Life in the Crater Lake
86% matchNo user reviews
Dev: Karla Ringler
Windows
Explore a hidden underwater ecosystem beneath the surface of a remote crater lake. Become familiar with the diverse local wildlife, investigate submerged ruins and wrecks, and recover lost equipment to slowly uncover the lake's mysteries.
Why similar: Underwater 50.4% ★, Crafting 11.2%, Open World 8.9%, Exploration 7.8%, Relaxing 5.6%
- #18 DeepBubbles
84% 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 61.8% ★, Crafting 10.5%, Cute 6.5%, Casual 6.3%, Colorful 5.7%
- #19 Time is Life
85% match1 user reviews100% of 1 reviews2024
Dev: SaedasRealm
Windows
Explore Islands and the ocean in a Singleplayer or a Coop adventure. Relaxing gameplay, music and hundreds of unique activities to do. Whether you are an Explorer of the unknown, a Farmer that wants to tend to thousand of crops or someone who enjoys combat through boss battles. This game is for you.
Why similar: Underwater 34.2% ★, Base Building 12.3%, Crafting 10%, Open World 8.6%, Relaxing 8.3%
- #20 Bungee Fisher
84% matchNo user reviews
Dev: BlinkXY Games
Windows
Tired of ordinary fishing? In Bungee Fisher, leap from heights as a swimsuit-clad diver, plunge deep, and haul up exotic fish and treasure chests. Challenge underwater creatures and uncover lost treasure!
Why similar: Fishing 31.5% ★, Underwater 27.2% ★, RPG 8.1%, Simulation 8%, Exploration 7.4%
- #21 A Home Below
82% matchNo user reviews
Dev: Hermit House
Windows
For a hermit crab, it’s difficult to find a place you can call home. Explore a large, underwater house, searching for a real seashell. Meet creatures and discover long buried secrets in this third-person, atmospheric adventure.
Why similar: Underwater 51% ★, Exploration 10.8%, Relaxing 9.7%, Atmospheric 8.6%, Cute 4.7%
- #22 Eat Fish, Get Achievements
82% matchPositive94% of 35 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 58.2% ★, Fishing 19.7% ★, Relaxing 11.8%, Atmospheric 4.1%, Casual 4%
- #23 Fisherman Simulator
80% matchPositive84% of 38 reviews2026
Dev: RFT
Windows
Forge your path through the islands—Hunt for sea animals and other resources to make a profit. Buy and upgrade boats and fishing gear, and sail across the seas!
Why similar: Fishing 29.3% ★, Underwater 23.4% ★, Exploration 9.9%, Open World 9%, Stylized 6.7%
- #24 Aery - Calm Mind 2
81% matchPositive93% of 30 reviews2022
Dev: EpiXR Games UG
Windows
Calm down from the hassle of your daily life, experience the feeling of flying, and immerse yourself into beautiful and atmospheric landscapes.
Why similar: Underwater 26.2% ★, Relaxing 19.9%, Simulation 12.1%, Exploration 10.9%, Stylized 9.2%
- #25 Scale the Depths
78% matchVery Positive88% of 1,927 reviews2026
Dev: Glass Gecko GamesPub: Pretty Soon
Windows · Mac
Median: 3.1 hrsMean: 4.6 hrs≥1hr: 88%
Fish, scale, sell, repeat. Scale the Depths is a casual fishing game built around this simple but satisfying loop. Feed hungry customers, upgrade your gear, and uncover the many secrets hidden beneath the surface.
Why similar: Underwater 38.8% ★, Fishing 25.3% ★, Relaxing 9.8%, Exploration 6.5%, Simulation 4.7%
- #26 Feed and Grow: Fish
81% 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 62% ★, Simulation 9.1%, Fishing 9% ★, Open World 8.6%, Colorful 2.8%
- #27 Orion Blue
79% matchNo user reviews2026
Dev: EXLIX
Windows
Orion Blue is a cozy fishing adventure set on a beautiful alien planet. Catch fish, gather resources, and build relationships with the locals. Play actively, or relax and let the game progress with Idle Mode.
Why similar: Underwater 31.2% ★, Fishing 19.4% ★, Base Building 11%, Crafting 10%, Relaxing 8.9%
- #28 Whale Singer: Rise of the Leviathan
79% matchNo user reviews
Dev: Telescope Game Studios
Windows
Play as a majestic humpback whale in a musical adventure where ancient songs hold the power to face an ominous threat destroying the oceans. Master ancestral melodies, explore stunning underwater realms, purify corrupted waters, and uncover the truth behind the Leviathan.
Why similar: Underwater 49.9% ★, Relaxing 14.1%, Exploration 13.1%, Colorful 4.8%, Adventure 4.3%
- #29 Deep Drift Signal Below
77% 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 61.3% ★, Exploration 13.3%, Atmospheric 10.3%, Adventure 7.2%, Indie 2.9%
- #30 Fish 'n Ships
76% matchPositive97% of 37 reviews2025
Dev: Squid Snooze Studio
Windows
Take to the seas on your little boat and catch some fish in this 2D cozy fishing experience! Explore the drizzly coastline, upgrade your boat, and bring home the big one! How many fish can you catch?
Why similar: Underwater 40.4% ★, Fishing 27.5% ★, Stylized 6.3%, Atmospheric 6.2%, Simulation 6.2%
- #31 Abyss Haul
77% matchNo user reviews
Dev: ArtlogicGames
Windows
A relaxing incremental fishing simulation, until you dive too deep. Catch fish, sell haul, and upgrade your gear as you descend through glowing waters. Track down legendary creatures, explore increasingly strange depths, collect absurd treasures. It's just a game, no real animal were harmed.
Why similar: Underwater 45.5% ★, Fishing 26% ★, Relaxing 7.5%, Simulation 6.4%, Exploration 5.8%
- #32 Invincible Fins
78% 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 59.4% ★, Exploration 11.6%, Adventure 9.3%, Cute 8.8%, Colorful 7.6%
- #33 Catch & Cook: Fishing Adventure
76% matchMostly Positive71% of 66 reviews2023
Dev: Campfire Studio
Windows · Mac
Catch & Cook is a fishing adventure game in which you are not only a fisherman, but also a restaurant owner. Explore the ocean, catch fish and cook them in your own restaurant. A wide variety of fish, recipes and gameplay mechanics await you. So, what are you waiting for?
Why similar: Fishing 26.4% ★, Underwater 24.8% ★, Relaxing 8.9%, Exploration 7.7%, RPG 6%
- #34 Sea Scraps
75% matchNo user reviews
Dev: Scrapworks Games
Windows
After a catastrophic event flooded the Earth, the remnants of humanity are left adrift on an endless ocean. With nothing but scraps of the old world floating across the waves, survivors must scavenge, build, and fight to stay alive in this vast water-covered wasteland.
Why similar: Underwater 37.9% ★, Base Building 19.7%, Crafting 14.8%, Exploration 8.6%, Open World 8.4%
- #35 Whisker Waters
75% matchMixed46% of 70 reviews2024
Dev: Underbite GamesPub: Silver Lining Interactive
Windows
Whisker Waters is the ultimate RPG adventure that blends light fantasy and the art of fishing into a mesmerizing world. As a player, you'll create and play as your very own Cat character and embark on a whimsical fishing journey like never before.
Why similar: Fishing 30.7% ★, Crafting 13.1%, Relaxing 12.5%, RPG 9.1%, Open World 7.5%
- #36 GRAV Fishing
74% matchNo user reviews
Dev: Shatterproof Games LTD
Windows · Mac
A relaxing fishing adventure where the fish have floated into space. Explore Aquaria, rescue floating sea life with your gravity rod, and restore the planet’s lost ecosystem.
Why similar: Underwater 29.8% ★, Fishing 25.5% ★, Relaxing 9.9%, Exploration 7.6%, Open World 7.4%
- #37 HypnoFish Inc.
74% matchNo user reviews
Dev: Soy Boy Games
Windows
HypnoFish Inc. is a first-person incremental game about working for the world's largest fishing corporation. Hypnotize fish, sell your catch, purchase upgrades, and uncover the mystery of this fishy business!
Why similar: Fishing 27.3% ★, Underwater 24% ★, Simulation 9.3%, Exploration 7.1%, Relaxing 6.9%
- #38 Line Dropper
73% matchNo user reviews
Dev: VDM Games
Windows
Welcome to Line Dropper, a fishing game where you live on the lake and cook fish to survive. Unlock new species, upgrade your gear, go scuba diving, and obtain new abilities, all while avoiding the creatures and sharks waiting for you.
Why similar: Fishing 29.1% ★, Underwater 22.2% ★, Immersive 12.6% ★, Relaxing 9.7%, Atmospheric 7.2%
- #39 Tooth N' Fin
71% match2 user reviews100% of 2 reviews2025
Dev: Slack Tide Games
Windows
An underwater arcade survival game where you eat and grow to climb up the food chain Or play in the new fishing mode unlock new boats buy new lures fish and spearfish with the new Hook N' Line mode
Why similar: Underwater 26.5% ★, Fishing 19.3% ★, Open World 14.5%, Exploration 13.3%, Simulation 9.9%
- #40 Pixel Aquarium
71% matchNo user reviews2026
Dev: Purple Sector
Windows
In this casual idle simulator, you take care of charming pixel-art fish, collect coins to buy decorations that provide uniques bonusses, and create your dream Pixel Aquarium!
Why similar: Fishing 26.8% ★, Underwater 23% ★, Relaxing 11.5%, Stylized 8.5%, Base Building 7.8%
- #41 Intelligence: Underwater Kingdom
73% matchMostly Positive71% of 14 reviews2018
Dev: Laush Dmitriy SergeevichPub: Laush Studio
Windows
Is a puzzle game in which you want to build an image (with the animals of the underwater Kingdom) so that the picture was like the original image. Move the tiles of the puzzle wisely to collect the correct order of the pieces of images.
Why similar: Underwater 48.4% ★, Fishing 27.5% ★, Relaxing 10.4%, Simulation 4.7%, Atmospheric 4.3%
- #42 Shimmer
71% matchNo user reviews
Dev: OctojellyGames
Windows
Play as a dolphin exploring your vast, colourful coral reef. Swim past glowing jellyfish fields, hidden caves, and corners of the reef that reveal themselves the deeper you go. Discover hidden treasures, rebuild a forgotten village, and uncover a world too beautiful to abandon.
Why similar: Underwater 21.6% ★, Relaxing 13.5%, Exploration 12.7%, Adventure 10.3%, Atmospheric 10.1%
- #43 Deep Sea Valentine
72% matchVery Positive91% of 53 reviews2021
Dev: KigyoDev
Windows · Mac · Linux
Explore a colorful underwater world and help a pink dolphin find the perfect date for Valentine's day!
Why similar: Underwater 40.1% ★, LGBTQ+ 17.3%, Relaxing 8.9%, Stylized 6.8%, Cute 6.6%
- #44 Project AlbatrOS
70% matchNo user reviews
Dev: DiSolve Studios
Windows
Take on the role of an underwater reef explorer, find a way to save the corals from extinction. Dive into the colorful waters of Water, explore and admire the local reef, explore the mystery of the island. Gather resources to create your own bases in order your survival.
Why similar: Underwater 46.8% ★, Base Building 16.7%, Crafting 10.4%, Exploration 8.1%, Open World 7.9%
- #45 DRENCHED
70% matchNo user reviews2026
Dev: Softblock Studios
Windows · Mac
Drenched is a 3D exploration adventure where a burned-out artist, Brie, becomes a fish. Switch between two characters, and traverse two mirrored worlds to uncover her story. Splash puddles on the surface and blow bubbles underwater to explore, solve puzzles, and reconnect her past and present.
Why similar: Underwater 40.7% ★, Relaxing 14.7%, Exploration 14.2%, Adventure 9%, Cute 7.2%
- #46 Ladybugs and Storm
73% 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 52.4% ★, Open World 11.7%, Exploration 9.3%, Relaxing 8.7%, Atmospheric 6.4%
- #47 Puzzles for smart: Underwater Kingdom
72% matchPositive93% of 14 reviews2018
Dev: Laush Dmitriy SergeevichPub: Laush Studio
Windows
Is a simple, educational game. Collect puzzle with the image of the Underwater Kingdom, from the individual fragments of the picture
Why similar: Underwater 47.5% ★, Fishing 27.2% ★, Relaxing 10.4%, Simulation 4.8%, Atmospheric 4.7%
- #48 To The Deep
69% matchNo user reviews2026
Dev: kay56
Windows
Dive into a surreal deep sea dream. Survive by devouring and evolving, and encounter a cast of strange, mysterious companions. Explore, upgrade, and uncover the "truth" hidden beneath the beautiful waves. This is more than an adventure—it is a dimension-breaking dive to the deep.
Why similar: Underwater 60.7% ★, Exploration 9.5%, RPG 9.5%, Adventure 7.2%, Atmospheric 5.6%
- #49 呼~/huuu
68% matchPositive86% of 21 reviews2025
Dev: woohoo
Windows
Huuu~ is a healing interactive narrative game where players become a breeze, using breath to guide and comfort the protagonist. Drifting through the four seasons, they join in a quiet journey of reflection, emotion, and inner healing.
Why similar: Immersive 37.4% ★, Relaxing 17.7%, Stylized 10%, Atmospheric 6.8%, Casual 6.7%
- #50 Fish Fight!
69% matchNo user reviews
Dev: AVOVE
Windows
FISH FIGHT! is a fishing bullet-hell odyssey where the fish are tainted by a relentless machine plague. Reel in and sell your catch, help characters on their fight against The Kingdom, unveil new mechanics, and journey through diverse biomes each with their own unique content!
Why similar: Underwater 37.4% ★, Fishing 26.1% ★, Relaxing 7.2%, Stylized 6.9%, Exploration 6.3%
- #51 Critter Cove
67% matchVery Positive95% of 1,931 reviews2024
Dev: Gentleman Rat Studios
Windows
Median: 7.0 hrsMean: 16.7 hrs≥1hr: 84%
A deep, open world life sim and town building game set in a cozy post-apocalyptic paradise. Restore your town, sail across a mysterious archipelago, rescue animal pals. Hunt for relics and farm, fish & craft everything you need. Can you help turn Critter Cove into a thriving tourist town once again?
Why similar: Underwater 32.4% ★, Fishing 19.5% ★, Relaxing 8.7%, Open World 7.6%, Stylized 6.3%
- #52 The Fish Room
68% matchNo user reviews
Dev: Pig Fishing Studio
Windows
Breed and sell fish to grow your aquarium business. Unlock new species, aquascape tanks, fulfill customer orders and care for your fish in this relaxing first person aquarium simulator.
Why similar: Underwater 37% ★, Fishing 26.6% ★, Base Building 10.7%, Relaxing 9.1%, Simulation 6.6%
- #53 Mythic Ocean
70% matchVery Positive92% of 171 reviews2020
Dev: Paralune LLCPub: Untold Tales
Windows
Median: 2.2 hrsMean: 21.9 hrs≥1hr: 58%
Teach the gods to create a better universe - or mess it all up in Mythic Ocean, a narrative exploration game where your choices shape the fate of the cosmos.
Why similar: Underwater 64.3% ★, Adventure 12.1%, Exploration 8.3%, Indie 8%, Atmospheric 7.4%
- #54 NAUTUS
68% matchNo user reviews
Dev: Magic Design StudiosPub: Arc Games
Windows
From the creators of Have a Nice Death comes a charmingly quirky island adventure with 4-player co-op! From above, catch your breath in a cozy sanctuary and befriend quirky locals. From below, take the helm of an upgradable submarine, fight mutant creatures, and craft vital gear. Explore NAUTUS!
Why similar: Underwater 41.1% ★, Base Building 13.9%, Crafting 12%, Exploration 7.5%, Cute 5.5%
- #55 Cat Goes Fishing
69% matchVery Positive94% of 16,473 reviews2015
Dev: Cat5Games
Windows
Median: 4.0 hrsMean: 8.9 hrs≥1hr: 85%
Start out on an island with a basic rod. Progress into a radar-wielding master fisher-cat scouring the sea for the biggest and baddest fish. Each fish has unique behaviors that you will learn to exploit as you tailor your arsenal of fishing rods to suit your style of play. Mrrrow!
Why similar: Underwater 33.2% ★, Fishing 31% ★, Relaxing 8.1%, Cute 6.5%, Exploration 6.5%
- #56 Wonders of the Deep
67% match2 user reviews100% of 2 reviews2025
Dev: Salty Water
Windows
Wonders of the Deep is a third-person underwater exploration adventure with puzzles, marine wildlife, and diving mechanics in a mysterious world.
Why similar: Underwater 52.9% ★, Simulation 12.6%, Exploration 11.5%, Adventure 9.8%, Atmospheric 6.5%
- #57 tuna hake's underwater
66% matchVery Positive98% of 102 reviews2025
Dev: osuika
Windows · Linux
you are a fish who does tricks
Why similar: Underwater 67% ★, Fishing 12.4% ★, Exploration 6.9%, Open World 6%, Colorful 4.9%
- #58 Whale Cleaner
67% matchNo user reviews2026
Dev: SunStride Games
Windows
Take charge of a deep-sea wash station for filthy marine giants! Upgrade bizarre bio-industrial tools to scrub whales, dolphins, sharks and other mysterious beasts. Get them spotless before Mr. Claw docks your pay in this relaxing, atmospheric, and satisfying cleaning simulator. Find hidden secrets!
Why similar: Underwater 38% ★, Simulation 13.7%, Relaxing 11.7%, Cute 7.7%, Casual 7%
- #59 Pull Out! Spotted Garden Eels
65% match2 user reviews100% of 2 reviews2026
Dev: N-SEED GAMES
Windows
Pulling out garden eels — it's a dream everyone must have had at least once. That dream comes true in this game! It's a single-player action game where you pull out adorable garden eels.
Why similar: Underwater 63.7% ★, Cute 12.6%, Stylized 12.3%, Casual 9.6%, Singleplayer 1.9%