Top similar games like Nia and The Abyss:

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.

Save the coral reef city in this cute tiny adventure game! Meet the colourful residents of this underwater city, explore the streets, befriend different species of fish and help them restore the corals to their former glory!

Draw your own fish and unlock new ways to decorate your aquarium. If you feed them well, they will gain a metallic shimmer as they age. Will you be the one to raise a golden fish in this relaxing sandbox experience?

A charming and cozy creature collector, where you play as Blorp the alien scout piloting a UFO, and, as the name suggests, you BEAM THINGS UP!

Pick up what the waves wash ashore to make instruments. Use those instruments to answer the echoes heard from beyond the ocean.

This is a relaxing and therapeutic game where players control a ship, accompanied by a little sprite, to explore this boundless sea. Of course, there will be many dangers and unexpected encounters along the way. Choose the best strategy while avoiding danger to reach even greater destinations!

A koi breeding game.

The House in the Forest is a short, first-person exploration game about a family who moved out to go live a lonely life. You'll play as a person who got lost on the way back to his house ends up discovering clean but an abandoned house.

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.

Adventure and submarine exploration game. Control your Bathyscaphe with the help of a logbook. Through the game puzzles, bullet-hell sequences, and skill-based challenges, you will be plunged miles and miles into the depths where the ocean seems to have no end.

Explore the world of Eré for artistic inspiration, so that you may reach the meanings of life and complete your artistic opus! Many branching paths will take you to every corner of the globe as you explore this peaceful and colorful world.

Forage for wild plants, craft bespoke dishes, and delight your otherworldly clientele in this cosy, atmospheric management game. Hone your craft as you collect special equipment and useful folklore by connecting with the locals or simply relax and seek out stillness in nature.

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.

Play as an adorable dolphin trying to make a difference in there small polluted village, filled with characters who are a little worn down, but your doing your best to make things a bit better. 

Be the Universe in this epic, award-winning reality simulation game - featuring thousands of playable characters, endless exploration, an extraordinary soundtrack and narration from Alan Watts.

The Regreening is a cozy simulation game about restoring nature in a soilpunk fairytale. Grow plants to create living ecosystems, become friends with ancient spirits, make your own upcycling hub, and hug ALL the animals! Can you transform this deserted world into a joyful home again?

Play as an interstellar custodian sent to clean up a polluted ocean planet. Pick up trash, explore the vibrant waters, and take care of axolotl-like alien creatures!

Follow an Auri Field Researcher from the planet Auriga, as they land in an enchanted forest full of creatures who speak an unknown language. Interact with the inhabitants of the forest and learn their language to complete your research–and maybe learn a thing or two about what Auri really means.

Explore a colorful and magical world, lovingly nurture seeds, and introduce gentle critters to the verdant landscape you’ll manifest with your very own hands. A meditative and rejuvenating VR adventure in which you cultivate the garden of your dreams.

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!

Follow a small cute robot in a puzzle game where nature suffers the consequences of a reckless past! Help H.O.P.E. decipher a strange language and create a new world where, this time, there is a little hope.

Control a submarine or a diver into the depths of unknown underwater worlds and take photographs of alien animals, plants and artefacts. Continue your journey through this casual, side-scroller, exploration game and collect stars to unlock more secrets before travelling to an alien home planet.

Island Restoration is a cleaning game where you heal a scarred world, one island at a time. Clean up hazards, rescue cute wildlife, uncover secrets, and upgrade your equipment as you explore diverse regions and transform ever-changing islands into beautiful paradises.

A lovely and emotional 3rd-person puzzle game centered on Kara: a young woman who deals with a painful past experience. Armed with her elemental skill, help her try to find her way across a mysterious land and put an end to this pain.

Paint, merge, and explore! Garden Ink is a cozy sandbox/exploration game where you shape and grow your own world. Merging decorations and coloring tools help you customize your world. With hand-painted visuals and a soothing soundtrack, it’s time to discover every cute surprise.

Existential Nature Simulation

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.

Turn overgrown, messy gardens into clean and beautiful spaces. There is no rush. No stress. Just you, your tools, and the simple pleasure of turning chaos into order.

Grow a beautiful island as you build a daily habit of mindfulness and meditation. Experience relaxation and learn ways to care for your mental wellbeing.

Dream is a 2.5D adventure where Luna explores the dream world while conquering dreamlike mazes by rotating the environments to uncover poem fragments and memories of her late father, seeking the warmth of his lost embrace through non-linear puzzle-solving.

Transform into a bird and fly to explore and experience a vibrant world of floating islands in the sky. Venture down into lost ancient ruins where each step leads you closer to the end of the world.

Forefeathers is an atmospheric story-adventure with puzzle elements!
Experience a heartfelt story as the little penguin Bokki and his ghostly Grandma work together to solve light puzzles and rekindle the memories of her past.

Charming Hill is a small experimental game where creating beautiful paintings feels easy and natural. No artistic skills are needed; it’s a space to relax, paint, and discover a heartwarming story, or better yet, paint your own.

Guide I.R.I.S., a gardening robot lost to time, to unearth the secrets of her overgrown world. Solve plant-based puzzles using your water spout, and untangle events through environmental storytelling, in this atmospheric journey

A garden game where you will explore a calm and peaceful island. Gather some seeds from the vegetation and re-plant them close to each other to get hybrids. Day after day, you will cross-breed the plants to create some new ones, to finally find and restore the ultimate tree: Yggdrasil.