Single-player games like Osy Osmosis
Below are 10 single-player Steam games similar to Osy Osmosis, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Osy Osmosis page.
Ranked picks
- 1
Beyond Blue
Single-player alternative to Osy Osmosis — playable solo, no multiplayer required. Shares Indie and Adventure with Osy Osmosis.
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.
- 2
The Tracy Arm Tsunami Experience
Single-player alternative to Osy Osmosis — playable solo, no multiplayer required. Shares Action and Indie with Osy Osmosis.
Explore Tracy Arm, Alaska and trigger a massive landslide tsunami in a first-person simulation with land, air, and water viewpoints.
- 3
Science Simulator
Single-player alternative to Osy Osmosis — playable solo, no multiplayer required. Shares Indie and Adventure with Osy Osmosis.
Science Simulator - The Science Video Game
- 4
VR Plant Journey
Single-player alternative to Osy Osmosis — playable solo, no multiplayer required. Shares Indie and Simulation with Osy Osmosis.
In this virtual reality adventure, you'll explore the inner workings of a canola plant from root to flower. What does canola need to thrive optimally? Learn about the processes in the plant cells, playfully help it grow and become an excellent plant scientist.
- 5
Ice Caves of Europa
Single-player alternative to Osy Osmosis — playable solo, no multiplayer required. Shares Action and Indie with Osy Osmosis.
Ice Caves of Europa will challenge your reflexes and your mind, blending free-flowing precision flight with confronting science fiction ideas about the nature of humanity. An inquisitive flying robot exploring the hazardous caves beneath Europa stumbles upon a sinister interplanetary conspiracy.
- 6
Creatura
Single-player alternative to Osy Osmosis — playable solo, no multiplayer required. Shares Indie and Simulation with Osy Osmosis.
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.
- 7
Dolphin Spirit: Ocean Mission
Single-player alternative to Osy Osmosis — playable solo, no multiplayer required. Shares Adventure and Simulation with Osy Osmosis.
Explore the island of Maupiroa and discover its deep-sea secrets!
- 8
Natural Instincts: European Forest
Single-player alternative to Osy Osmosis — playable solo, no multiplayer required. Shares Indie and Simulation with Osy Osmosis.
Protect the environment, and save it from harm! Give commands to the animals, observe their rituals and help them survive. Face different disasters, react to human presence and help the animal kingdom flourish in this unique, environmental experience!
- 9
Nurbits
Single-player alternative to Osy Osmosis — playable solo, no multiplayer required. Shares Indie and Simulation with Osy Osmosis.
Nurbits is a music puzzle game. You take on the role of a sound engineer responsible for producing music with a robot band. You must fix the wiring in each robot's brain before it can play the song. To do so, you hook up computer chips that send and receive signals the same way that neurons do.
- 10
Against the Gradient
Single-player alternative to Osy Osmosis — playable solo, no multiplayer required. Shares Indie and Simulation with Osy Osmosis.
A microscopic world is in need of your help! Add transporters to membranes to move molecules and ions into and out of cells. Your goal is to reach specific concentrations.