Games Like Pelagos: A Marine Adventure

Seed, Breed, Create. From single cell organisms to complex ecosystems. Evolve every part of your own unique aquarium / terrarium by applying scientifically accurate principles of natural and artificial selection, in Creatura - ultimate Virtual Evolution Vivarium Simulator.

Why similar: Underwater 18.7% ★, Science 18.6%, Creature Collector 14.1%, Fishing 14% ★, Education 8.5%

In CREAMARE: The Game, players take on the role of divers to explore 9 real underwater cultural sites in the Mediterranean Sea. They must defeat a monster from the future by solving ecological challenges and puzzles related to the history of these sites.

Why similar: Submarine 18.9% ★, Underwater 16.6% ★, Education 14.9%, Hidden Object 14.3%, Immersive Sim 12.3%

Fish Game is a detailed and highly “sofishticated” freshwater aquarium simulator, lovingly crafted *by* enthusiasts *for* enthusiasts! Featuring fish with personalities and dynamic relationships, water quality modeling, and so much more! Made with support from our friends at Smarter Every Day!

Why similar: Fishing 16.5% ★, Underwater 15.4% ★, Creature Collector 14.7%, Science 13.2%, Education 10.2%

Stay hydrated, relax, and build your dream aquarium! HydroTick reminds you to drink water at your chosen intervals, rewards you with coins, and lets you collect unique fish, rare decorations, and create a soothing aquatic world.

Why similar: Submarine 26.1% ★, Fishing 21% ★, Underwater 18.9% ★, Creature Collector 16.4%, Nature 8.3%

Immerse yourself in the ultimate relaxing aquarium experience. Watch fish glide gracefully through a serene, ever-changing tank—no setup, no stress, just pure tranquility. Enjoy soothing visuals and ambient ASMR sounds as your aquarium comes to life effortlessly. Your peaceful escape awaits!

Why similar: Underwater 26.1% ★, Fishing 16.2% ★, Creature Collector 14.4%, Submarine 14% ★, Nature 10.5%

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: Submarine 27.3% ★, Underwater 23.4% ★, Science 22.1%, Nature 8.4%, Immersive Sim 8.3%

Snapshot Aquarium combines aquarium simulation with skill-based photo shooting action. Build cozy habitats, visit other players’ aquariums, and take on photo challenges from easy to expert. Keep your fish happy to draw more visitors, or just dive into arcade-style photo play.

Why similar: Fishing 22.1% ★, Underwater 20.4% ★, Creature Collector 14.8%, Education 11.5%, Immersive Sim 11.1%

Ocean Protector is a free online educational game that teaches students about the impacts of ocean acidification and how they can take action to prevent it.

Why similar: Underwater 27.4% ★, Science 26.9%, Education 22.6%, Nature 14.6%, Point & Click 5.4%

The ocean didn't get dirty on its own. Pilot your submarine through vast underwater worlds, collect the trash humanity left behind, and uncover what's been growing in the dark. Clean, explore, upgrade and try not to look too closely at what's following you.

Why similar: Submarine 40.5% ★, Underwater 26.6% ★, Fishing 16.6% ★, Creature Collector 9.1%, Simulation 3.9%

Explore the island of Maupiroa and discover its deep-sea secrets!

Why similar: Submarine 29.2% ★, Underwater 20.4% ★, Education 16.4%, Nature 11.1%, Immersive Sim 7.9%

Dive into the earth’s oceans. Explore in your high-tech submarine fascinating spots like the Galapagos or the Deep Sea. Use your tools to solve quests when you free jailed whales, or explore sunken WW2 battleships. Swim with majestic whales, sharks and sea turtles.

Why similar: Submarine 24.2% ★, Underwater 19.3% ★, Education 13.9%, Immersive Sim 10.5%, Science 9.9%

Get your first job in the Aquarist! Learn how to set up aquarium, decorate it and take care of your fish!

Why similar: Fishing 25% ★, Underwater 20.7% ★, Education 15.1%, Immersive Sim 10.6%, Nature 10.1%

A first-person deep sea exploration game. Use only a torch to navigate through rusted structures, encountering both dangerous and harmless sea creatures. Uncover the mysteries of the trench, and experience the phobia-inducing atmosphere of the ocean floor.

Why similar: Submarine 34.6% ★, Underwater 27.7% ★, Immersive Sim 15.3%, Nature 14.8%, Simulation 2.9%

Together for the Planet! Evade and outsmart the many dangers of the oceans, collect the Pearls to save the World. Stay on your toes through 100 handcrafted levels and challenge yourself to climb the leaderboard and prevent the war to begin.

Why similar: Underwater 27.4% ★, Submarine 26.4% ★, Education 16.4%, Nature 12.5%, Fishing 4.7% ★

We Love Fish Tanks is a cozy aquarium builder. Kick back & relax, buy, breed, & sell fish (or fish-like things), and decorate your tank exactly how you'd like!

Why similar: Creature Collector 27.9%, Fishing 25.6% ★, Underwater 22.7% ★, Nature 6.5%, Relaxing 4.9%

Begin with an empty reef, as time goes on; hire cleaners, grow coral & create the best day spa in all the 7 seas!

Why similar: Underwater 24.8% ★, Fishing 13.7% ★, Nature 11.1%, Education 9.5%, Submarine 8.4% ★

Join the expedition! Explore the icy depths of Glacialis - a newly discovered moon of Neptune. Discover, collect, and survive.

Why similar: Submarine 29.7% ★, Fishing 23.3% ★, Underwater 22.2% ★, Creature Collector 16.8%, Relaxing 4%

Build beautiful aquariums, care for exotic marine life, complete creative customer jobs, and grow your own aquarium business into a world-class oceanarium in this relaxing sandbox simulation.

Why similar: Fishing 25.3% ★, Underwater 20.6% ★, Creature Collector 17.1%, Education 15%, Immersive Sim 9.7%

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 36.3% ★, Submarine 30.1% ★, Immersive Sim 14.7%, Nature 9.4%, Simulation 6.1%

Pocket Aquarium is a cozy virtual pet simulator straight out of the 90s! Play minigames, earn money, and expand your collection of fish, tanks, and more!

Why similar: Fishing 34% ★, Creature Collector 29.1%, Underwater 20.6% ★, Point & Click 8.8%, Cute 2.6%

Is a game in the genre of "hidden object", in which you need to find all the seashells on a large location drawn in the style of "doodling"

Why similar: Submarine 23.7% ★, Creature Collector 21.9%, Education 15.9%, Underwater 15.4% ★, Hidden Object 14.8%

Oyster VR is a first-person and virtual reality exploration based learning game about oyster reef restoration at the bottom of the Hudson River in New York and New Jersey.

Why similar: Submarine 25.8% ★, Education 23.4%, Science 18.6%, Nature 11.1%, Simulation 5.7%

An underwater running game, where Polly & friends cleanup plastic and debris to make their home a more habitable place. Matchala Games is donating 25% of all proceeds to help clean up our oceans. Powered by compelling graphics, cute characters, accessories and a unique 9 lane running system

Why similar: Submarine 33.8% ★, Underwater 25% ★, Education 20.6%, Cute 4.7%, Nature 4.5%

VR Fishtank is a relaxing VR game in which players can unlock and raise over 70+ aquatic creatures, create your dream aquarium, play minigames, and get up close and personal with your favorite fish!

Why similar: Underwater 28.6% ★, Creature Collector 23.8%, Education 14.1%, Nature 12.3%, Relaxing 5%

Verano is a third-person fishing adventure set in a fantastical archipelago. Players step into the role of a young fisherman who embarks on a heartfelt quest to find a cure for a mysterious curse.

Why similar: Fishing 25.6% ★, Underwater 22.5% ★, Creature Collector 18.8%, Immersive Sim 11.9%, Nature 11.3%

Bottom Dwellers is a cozy little aquarium that sits at the bottom of your screen. Collect and grow different fishes, discover shrimps and decorate your tank while you work or play on your PC.

Why similar: Creature Collector 35.1%, Fishing 30.9% ★, Underwater 20% ★, Cute 6%, Simulation 4.6%

Get the best aquarium store in town! Create, renew, manage, observe. See if you can create an aquarium empire.

Why similar: Fishing 22.8% ★, Underwater 20.7% ★, Creature Collector 16.5%, Immersive Sim 11.2%, Nature 10.6%

Fish are drifting in space! Play as an interstellar angler tasked with returning them to their aquatic home. Explore the ocean planet Aquaria, restore it's struggling ecosystems and save floating fish.

Why similar: Fishing 29.6% ★, Underwater 22.2% ★, Creature Collector 19.5%, Nature 10.5%, Relaxing 4.8%

7821 Akuji is a first person liminal horror experience. Pilot a tiny, jury-rigged submersible to rescue a lost science crew.

Why similar: Submarine 43% ★, Underwater 29.8% ★, Immersive Sim 17.2%, First-Person 3.5%, Simulation 3.3%

Chill out in a submarine as you learn Morse code! Submorse is an atmospheric, first-person game that teaches you the international Morse signals.

Why similar: Submarine 39.9% ★, Education 25.5%, Underwater 25.2% ★, First-Person 5.2%, Casual 2.3%

Search for 100 Jellyfish. A carefully hand drawn 4K scene filled with cute characters. The process is short and won't take up too much player time. You can choose your favorite dyeing for the convenience of color blind players. Extremely easy to achieve.

Why similar: Fishing 26.1% ★, Submarine 25.1% ★, Creature Collector 23.3%, Hidden Object 15.4%, Relaxing 4.5%

A cozy idle aquarium that lives on top of your screen. Watch fish swim, grow, and interact while you work or relax. Desktank turns your desktop into a peaceful underwater world — float it in the corner or let it take over the whole screen. Just sit back and enjoy the calm.

Why similar: Fishing 24.7% ★, Creature Collector 22.5%, Underwater 20.2% ★, Immersive Sim 14.3%, Nature 10.2%

Explore microscopic messengers of time inspired by micropaleontology and plankton research! Can ancient forms of plankton from over 10,000 years ago help us understand the future of freshwater ecology? Sound like a scifi movie? Actually, these are the realities of real world plankton!

Why similar: Underwater 27% ★, Education 18.6%, Nature 13.8%, Creature Collector 11.8%, Science 9.4%

Osy Osmosis is a fun game for all ages where you must help Osy stay safe as she navigates through her world collecting stars. To help Osy, you will use osmosis to keep her in balance with the world around her.

Why similar: Science 37.7%, Education 27.5%, Underwater 26.4% ★, Cute 4%, Simulation 2.7%

Explore colorful natural scenes, spot hidden insects and tiny animals, and build your collection in a cozy hidden-object game shaped by weather and procedural variation.

Why similar: Creature Collector 35%, Hidden Object 25.8%, Point & Click 13.5%, Nature 9.5%, Cute 5.7%

Watch the bottles quietly flowing down the river, listen to the pleasant sound of running water, throw small stones into the water, and discover the small animals living by the river... I believe you will definitely gain a wonderful mood.

Why similar: Underwater 25.9% ★, Creature Collector 22.3%, Nature 16.2%, Hidden Object 15.7%, Point & Click 7.7%

Dive into an interactive ocean simulation. Lead your flocks to food and safety, watch them play and wander, and have fun together in your cozy little ocean.

Why similar: Creature Collector 23.4%, Fishing 21.2% ★, Underwater 15.9% ★, Immersive Sim 12.3%, Nature 9.2%

Catch 48 unique fish and complete collections in a relaxing fishing game. Explore different locations, use various baits and rods, and enjoy a peaceful angling experience.

Why similar: Creature Collector 19.8%, Fishing 19.7% ★, Education 17.1%, Immersive Sim 12%, Nature 8.9%

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: Fishing 31.7% ★, Underwater 25% ★, Creature Collector 16.8%, Nature 10%, First-Person 4.5%

Embark on a relaxing journey in an underwater realm. Glide through captivating environments, embracing the tranquility of exploration and survival found in these Harmonic Depths.

Why similar: Submarine 34.8% ★, Underwater 28.4% ★, Immersive Sim 14.8%, Nature 12.3%, Relaxing 3.7%

FISHER MAN is a relaxing fishing simulation game. Explore a peaceful world, catch unique fish, and complete quests to unlock new content. Build your collection and enjoy the calm rhythm of fishing at your own pace.

Why similar: Fishing 43.7% ★, Creature Collector 25.1%, Nature 14.2%, Simulation 5.8%, Relaxing 3.5%

A gentle, interactive aquarium experience for young children and fish lovers. Watch, feed, and play with beautiful fish in a peaceful underwater world — no timers, no losing, just endless calm and discovery.

Why similar: Creature Collector 25.1%, Education 23.8%, Fishing 16.8% ★, Underwater 12.7% ★, Simulation 6%

Build, decorate and populate Aquariums and ocean reefs to your heart's content. Create a peaceful background for your PC as you work or relax as either a fullscreen app or wallpaper background.

Why similar: Creature Collector 27.6%, Underwater 27.6% ★, Education 19.5%, Immersive Sim 18.7%, 3D 2.5%

Cats love fish so much, they started fishing.

Why similar: Fishing 28.2% ★, Underwater 25.1% ★, Submarine 21.9% ★, Creature Collector 15.3%, Cute 4.3%

Sail out on a fishing boat with your homies! Use caught fish as bait to catch bigger fish! Co-operate with your friends to wrangle up the fiercest and most dangerous sea monsters lurking under the surface... All for the sake of solving world hunger!

Why similar: Fishing 38.6% ★, Underwater 27% ★, Creature Collector 23.3%, Simulation 4.7%, Cute 2.1%

Fishing Echoes is a fantasy fishing game where you catch elemental fish to save the realm from a world-devouring maelstrom.

Why similar: Fishing 32.6% ★, Underwater 28.5% ★, Creature Collector 17.3%, Immersive Sim 8%, Nature 4.2%

Solve real materials science problems, contribute to science, and survive a new ice age in a puzzle adventure that combines engineering problems with a unique puzzle that will challenge how you look at the world around you.

Why similar: Science 27.9%, Submarine 27.1% ★, Education 21.1%, Nature 10.8%, Linear 3.9%

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: Fishing 25.6% ★, Underwater 23.2% ★, Creature Collector 18.5%, Immersive Sim 10.9%, Nature 10.8%

The new kind of mechanic is in the town - if you've ever dreamt about reparing big large underwater boats this is the place just for you! Check the damage, repair and fix the boats and make sure they're ready to be manned.

Why similar: Submarine 35.3% ★, Underwater 25% ★, Education 15.8%, Immersive Sim 10%, First-Person 3.1%

Explore the ice-encrusted ocean of Jupiter's moon Europa.

Why similar: Submarine 41.8% ★, Underwater 30.4% ★, Nature 12.1%, Science 8.8%, First-Person 2.8%

Collect fish, grow your aquarium, earn money, and unlock decorations. Feed your fish, keep the tank clean, and enjoy calm 2D idle progression at your own pace.

Why similar: Submarine 39.5% ★, Underwater 30.5% ★, Nature 10.5%, Relaxing 6.8%, Cute 4.1%

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: Fishing 36.1% ★, Underwater 30% ★, Creature Collector 13.1%, Nature 7.1%, Simulation 3.7%

Dive into an immersive underwater world with your Polaroid camera, capturing stunning fish and growing the ecosystem with each snapshot. Explore this short, whimsical sandbox experience as you bring life to the depths beneath the waves.

Why similar: Creature Collector 24.3%, Education 17.8%, Immersive Sim 14.9%, Hidden Object 14.4%, Point & Click 10.1%

As a cataclysmic event rocks the planet, you find yourself in an old, decrepit submarine tasked with only one goal: survive. Manage the internal systems to keep yourself alive and fend off undersea horrors as they attempt to cut your journey short.

Why similar: Submarine 56.1% ★, Underwater 35.9% ★, Simulation 4.4%, 3D 3.6%

Underwater, a new threat slowly emerges. Playing as a helpless hermit crab, use your shells to defeat countless waves of monsters and giant sea creatures in this action packed 2d game.

Why similar: Submarine 29.3% ★, Underwater 28.5% ★, Fishing 25% ★, Nature 11.3%, Cute 4.2%

Sunken Seeker is a short, first-person underwater horror experience. Forced to pilot a decaying submersible, you have 7 days to pay off a massive debt. Navigate pitch-black waters, scan for salvage beyond your headlights, and survive the shift before the Director cuts your life support.

Why similar: Submarine 48.6% ★, Underwater 38.2% ★, First-Person 5.4%, Simulation 4.2%, 3D 3.7%

Indie Underwater Level Arcade Game

Why similar: Underwater 33.9% ★, Submarine 28.4% ★, Fishing 22.4% ★, Linear 6.5%, Cute 4.6%

Create stunning virtual aquariums on your PC! Our advanced 3D engine brings your fish tank to life with breathtaking realism, featuring lifelike fish, plants, decorations, and more. Transform your monitor into a vibrant, living aquarium. Virtual aquascaping has never been easier!

Why similar: Underwater 30.2% ★, Submarine 29.3% ★, Education 14.7%, Nature 12.6%, Relaxing 5.3%

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 54.2% ★, Education 19.1%, Science 14.4%, Nature 5.6%, Simulation 3.9%

Join an expedition to the unexplored abyss – a fascinating world of strange creatures, lost vessels, and a wealth of untold secrets. Search for ancient wrecks, underwater trenches, missing airplanes, and even the Titanic. Climb on board your mini-sub and dive as deep as you dare!

Why similar: Submarine 43.9% ★, Underwater 38.4% ★, Science 11.3%, Simulation 4.8%, Colorful 1.7%