Single-player games like Astro Mouse
Below are 8 single-player Steam games similar to Astro Mouse, 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 Astro Mouse page.
Ranked picks
- 1
Desktop Claw Master
Single-player alternative to Astro Mouse — playable solo, no multiplayer required. Shares Indie and Simulation with Astro Mouse.
Graboo is the shyest claw machine in the world. Graboo quietly picks up doll friends from the corner of the screen while you're working or enjoying games. Give warm friends to Graboo, a loner!
- 2
Little Ghosties
Single-player alternative to Astro Mouse — playable solo, no multiplayer required. Shares Indie and Simulation with Astro Mouse.
Little Ghosties is a cozy idle desktop companion game where adorable ghosts live inside a terrarium on your desktop. Hatch, raise, and collect unique ghosts as they grow from eggs into fully grown adult ghosts.
- 3
MONji
Single-player alternative to Astro Mouse — playable solo, no multiplayer required. Shares Indie and Simulation with Astro Mouse.
A virtual companion that lives on your desktop and shares your clock. MONjis grow in real time, from an egg to a grown-up adult shaped by time-based events and small choices. Explore new places, loot parts and craft unique visual mods for your device to show your personality. MONji grows on you !
- 4
Amphibarium
Single-player alternative to Astro Mouse — playable solo, no multiplayer required. Shares Indie and Simulation with Astro Mouse.
Relax and collect hundreds of unique frogs and salamanders in this cozy idle game. Watch tadpoles undergo metamorphosis in real-time, customize lush terrariums, and discover rare species. Let your vivarium thrive in the background while you work or study. Start your collection today!
- 5
Stop and Smell the Flowers
Single-player alternative to Astro Mouse — playable solo, no multiplayer required. Shares Simulation and Casual with Astro Mouse.
Relax in your shady garden and watch the flowers grow. Seeds have a chance of mutating into a new species of flower -- follow the chart to complete the collection of over 100 flower types!
- 6
Dinosaurium
Single-player alternative to Astro Mouse — playable solo, no multiplayer required. Shares Indie and Simulation with Astro Mouse.
Relax and collect over 500 unique dinosaurs in this cozy idle game. Watch hatchlings grow into towering giants in real-time, customize prehistoric habitats across 9 themed packs, and discover rare species from tiny raptors to mighty sauropods.
- 7
Growmon Island
Single-player alternative to Astro Mouse — playable solo, no multiplayer required. Shares Indie and Simulation with Astro Mouse.
Let Growmon Island live on your desktop while you work: hatch eggs, raise Growmons through growth stages, evolve them, then sell for coins or keep for passive boosts. Build and decorate your island at your own pace.
- 8
Soggy Beans
Single-player alternative to Astro Mouse — playable solo, no multiplayer required. Shares Indie and Simulation with Astro Mouse.
Fish will come, fish will go. Take photos, collect beans, decorate your seascape, then relax or do other things while your friends swim by in this calming side-idler.