
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.
60+ similar titles based on shared tags and player behavior. Themes include Underwater, Casual, Singleplayer, 2D.

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.

Protecting seagrass 保护海草
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.

Bepuzzled Jigsaw Puzzle: Aquatic
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!
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 61.6% ★, Casual 16.9%, 2D Platformer 11.1%, 2D 6.7%, Singleplayer 3.6%
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 66.6% ★, Casual 24.6%, Cute 8.8%
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 71.9% ★, Casual 14.8%, 2D 5.6%, Indie 4.1%, Singleplayer 3.7%
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 76% ★, Casual 12.1%, 2D 3.8%, Indie 3.2%, Cute 2.8%
"SETTRIS" is a block-placement puzzle game in which players place pieces in the empty squares on the puzzle board, and fill all empty squares to clear the board.
Why similar: Underwater 45.1% ★, Casual 17%, 2D Platformer 11.6%, Cute 8.8%, 2D 7.1%
You are a small goldfish who has to protect a youngling while discovering how unforgiving the ponds in the wilderness are. Your objective is to defend a baby fish from predators while out maneuvering them while evading other obstacles that may be in your way while searching for safer waters.
Why similar: Underwater 71% ★, Casual 9.1%, Cute 7.8%, 2D Platformer 4.9%, 2D 3.1%
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 71% ★, Cute 8.5%, Colorful 6.7%, 2D Platformer 6.5%, 2D 3.2%
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 85.8% ★, Simulation 5.3%, Casual 4.1%, Singleplayer 2.5%, Indie 2.3%
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 74.6% ★, Casual 11.2%, Cute 4.8%, Colorful 4.4%, 2D 4.1%
The rogue-like strategy game Offcoast takes place in a subterranean, underwater landscape.
Why similar: Underwater 86.8% ★, 2D 8.2%, Indie 3%, Singleplayer 2%
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 81.4% ★, Simulation 9.6%, Casual 5.1%, Singleplayer 3.9%
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 72.3% ★, Casual 11.3%, Cute 7%, Colorful 5.2%, Indie 2.2%
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 61.4% ★, Casual 11.2%, Cute 10.6%, 2D 8.6%, Singleplayer 5.1%
This is a group of cute little fish swimming leisurely at the bottom of the screen while you work. The fish swim, grow and earn stars for you. Use them to buy other cute little fish until the bottom of the screen becomes a colorful ocean world! Start a leisure desktop fish farming journey!
Why similar: Underwater 55.2% ★, 2D Platformer 9.7%, Anime 7.8%, Cute 6.3%, Casual 5.3%
Let's follow the flow and head to our friends!It's a never-ending side-scrolling relaxing action game where you push buttons and keys to little swim, recover strength, and head to fellow jellyfish while go with the flow of the sea.
Why similar: Underwater 70.6% ★, Casual 17.4%, 2D 8.1%, Singleplayer 2.3%, Indie 1.6%
Grab loot, avoid fish lol
Why similar: Underwater 67.1% ★, Casual 18.4%, 2D 7.2%, Singleplayer 5.6%, Indie 1.6%
Travel the underwater dangers of the reef in a breathable air bubble. Test your reflexes as you avoid obstacles and carefully explore each stage to grab items essential for clearing each level.
Why similar: Underwater 63.5% ★, Casual 15.4%, 2D Platformer 10.3%, Colorful 4.6%, 2D 4.4%
Ocean Otter Climb is a 2D platformer game about climbing to great heights. Let's climb With CUTE SEA OTTER!
Why similar: Underwater 49% ★, Casual 16%, Cute 13.8%, 2D Platformer 10.7%, 2D 5.7%
In the game, players will move through each level to find the stone gate and finally obtain the treasure map. The humanoid guards will patrol outside the treasure map for a long time, pay attention to avoiding and obtain the treasure.
Why similar: Underwater 75.8% ★, Casual 19.8%, Singleplayer 4.3%
A beautiful contemplative game that turns your desktop into a pond where you can care for your own fish with a variety of colors and shapes. Design their colors, patterns, and shapes as you watch them grow, reproduce, and pass on their traits to the next generation.
Why similar: Underwater 63.3% ★, Casual 17.1%, 2D 7.9%, Simulation 7%, Singleplayer 3%
My Joyful Aquarium is a relaxing game where you build your dream fish tank. Take good care of your fish’s comfort, upgrade their environment, and explore thousands of breeding possibilities. With offline progression, your aquatic world thrives even when you’re away! Ready to dive in?
Why similar: Underwater 61.2% ★, Casual 9.4%, Cute 8.3%, Simulation 6.1%, 2D 5.5%
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 68% ★, 2D Platformer 11.9%, Casual 11.6%, 2D 4.7%, Singleplayer 2.4%
The feeding frenzy begins again! Swim and swerve through underwater worlds, chow down on smaller fish, and chomp your way to ocean supremacy. But watch out: boatloads of pesky predators are looking to make lunch out of you.
Why similar: Underwater 58.9% ★, Casual 31.6%, Singleplayer 5.5%, 2D 4%
A simple and relaxing arcade game about a lobster called Valera and his attempts to collect bottles deep in the ocean.
Why similar: Underwater 60.5% ★, Casual 22.7%, 2D 10.4%, Singleplayer 6.4%
Hunt and eat other fish - simply, grow into larger beasts!
Why similar: Underwater 83.3% ★, Simulation 8.3%, Colorful 2.7%, Singleplayer 2.5%, Cute 1.7%
Explore raising your very own Sacabambaspis in the casual fish tank idler. Save coins and feed fish various foods, sparking a various set of reactions. Name your Sacabambaspis and watch them grow before your eyes.
Why similar: Underwater 66.7% ★, Casual 20%, 2D 8%, Singleplayer 3.4%, Indie 1.9%
An underwater journey to the squirrel's past memories
Why similar: Underwater 74.5% ★, Casual 8.8%, Cute 5.2%, 2D Platformer 5.1%, Indie 3.7%
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 70.2% ★, Colorful 7.4%, Cute 6.7%, Casual 5.1%, 2D 4.6%
Dive into the ocean depths in Gem Hunter Match and match sparkling gems to uncover hidden treasures!
Why similar: Underwater 67.4% ★, Casual 19.8%, 2D 7.4%, Singleplayer 3.5%, Indie 1.9%
"Under the blue horizon - Aquarium" is a game for those who want to enjoy watching fish. Observe fish in the sea and in aquariums. Discover more types of special fish. Enjoy it while working, relax, or clear your mind.
Why similar: Underwater 79.8% ★, Casual 11.2%, Cute 4.7%, 2D 2.7%, Singleplayer 1.6%
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 62.8% ★, Casual 20%, Cute 9%, Singleplayer 8.2%
SharkKing is a roguelike, aquatic eat em up.
Why similar: Underwater 83.6% ★, 2D 6.7%, Singleplayer 5.2%, Indie 4.5%
Play as a mermaid or merfolk in a cozy life simulation set in a magical underwater world. Explore unique ocean realms, heal corrupted environments, recruit NPCs and sea creatures, and rebuild your own thriving kingdom. Uncover hidden secrets, complete quests, and watch your sanctuary come alive.
Why similar: Underwater 61.8% ★, Crafting 10.5%, Cute 6.5%, Casual 6.3%, Colorful 5.7%
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 85.7% ★, 2D 7.8%, Singleplayer 6.5%
Control a pond's ecosystem; experiment with what you can do and see what happens. Among Ripples is a meditative ecosystem management simulator; you add different creatures to the pond and see how they interact.
Why similar: Underwater 60.3% ★, Casual 12.6%, Simulation 8.8%, 2D 5.8%, Cute 5.1%
Challenger's Sleep is an underwater collectathon that pulls you down from the bright Sunlight Zone and into the Sohm Abyssal Plain - and then deeper still. Can you take on the challenge and discover what lays at the bottom, or will the mystery stay sleeping below the waves?
Why similar: Underwater 74.9% ★, Casual 11.4%, 2D 6.1%, Colorful 4%, Singleplayer 3.6%
Use your jelly nature to jump and traverse obstacles as you climb back home
Why similar: Underwater 55.1% ★, 2D Platformer 15%, Cute 10.3%, 2D 8.2%, Colorful 7.8%
Explore the Pacific as an underwater photographer and discover the mysteries of a sunken ancient city. Unwind in the depths of the ocean and submerge yourself in the atmospheric world and music.
Why similar: Underwater 55.6% ★, Casual 21.8%, Simulation 16%, Indie 6.5%
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 83.3% ★, Casual 10.2%, 2D 3.3%, Singleplayer 1.8%, Indie 1.4%
For those who love exploring the underwater worlds in games, "Traíras" is the perfect adventure!
Why similar: Underwater 85.4% ★, Colorful 6.9%, 2D 4.7%, Singleplayer 1.8%, Indie 1.3%
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 92.8% ★, Singleplayer 4.5%, Simulation 2.7%
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 95.5% ★, Indie 3%, Singleplayer 1.5%
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 76.2% ★, Casual 8.8%, Simulation 5.5%, 2D 4.7%, Indie 3.1%
The craziest aquarium game ever! Tend to your fish, keep them happy and they'll reward you with coins and jewels. Buy tank upgrades or egg parts which hatch different in-tank pets. These pets can help you feed your fish, collect coins, or even protect against the aliens that will invade your tank.
Why similar: Underwater 65.6% ★, Casual 16.2%, Cute 5.9%, Singleplayer 4.3%, Colorful 4.2%
Your goal is to protect our main character from underwater bombs and predators while he swim to a certain point.
Why similar: Underwater 61.3% ★, Casual 18.2%, Simulation 11.7%, Indie 5.1%, Singleplayer 3.7%
Save Atlantis in this unique physics-based Match-3 game!
Why similar: Underwater 70.4% ★, Casual 23.3%, Indie 6.3%
Dodge, dive, and survive as you move fish to escape the hungry shark and compete for the highest score on the global leaderboard.
Why similar: Underwater 61.6% ★, Casual 23.8%, 2D 9.9%, Singleplayer 3.7%, Indie 1.1%
This is a fascinating VR immersive submarine tour exploration game, which provides players with an unforgettable seabed shipbuilding and aircraft wreckage exploration experience.
Why similar: Underwater 55.3% ★, Casual 22%, Simulation 12.4%, Colorful 7.4%, Singleplayer 3%
Merge cute underwater creatures together in this physics-based puzzle game. Can you complete the sequence to get to the Whale Shark? Can you merge two Whale Sharks? Travel to the ocean floor for a relaxing game with an upbeat calypso soundtrack and test your skills!
Why similar: Underwater 64.6% ★, Cute 9.5%, Casual 7.9%, 2D 7.3%, Colorful 6.6%
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 69.3% ★, Casual 9.8%, Cute 7.5%, 2D 6.1%, Singleplayer 4.6%
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 84.7% ★, 2D Platformer 5.8%, Colorful 4%, 2D 3.4%, Singleplayer 2%
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 91.1% ★, Simulation 7.2%, Singleplayer 1.8%
Can You Make a Whale?It's a delightful game where you connect cute sea creatures to make them grow bigger.Single Player and Multiplayer Modes!There are both a single-player mode and a multiplayer mode for competing with friends and rivals from around the world.
Why similar: Underwater 52% ★, Casual 12.1%, 2D Platformer 8.6%, Cute 7.9%, 2D 7.6%
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 92.2% ★, Singleplayer 4.5%, Simulation 3.4%
Color match in a whole new way! Drop, pop, swap and match magic pearls to collect the charms inside and rebuild the hidden Cove of Memories!
Why similar: Underwater 58.8% ★, Casual 18.1%, Cute 6.8%, Colorful 6%, Singleplayer 4.6%
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 67.9% ★, Casual 10.7%, Cute 8.1%, 2D Platformer 7.7%, 2D 4.6%
Maidy is your cute little interactive companion that runs around your desktop.
Why similar: Casual 28.8%, Anime 26.9%, Cute 19.8%, 2D 17.2%, Singleplayer 7.4%
Dive into AquaDream! Guide your anglerfish through intricate underwater mazes. Collect stars, solve puzzles, and avoid perilous obstacles. Experience a captivating deep-sea adventure filled with hidden treasures and mysteries in this immersive aquatic world.
Why similar: Underwater 66.2% ★, 2D Platformer 10.2%, Cute 7.4%, Casual 7.1%, 2D 5.7%
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 84.4% ★, 2D 7.6%, Singleplayer 5.1%, Indie 2.9%