Single-player games like Atom
Below are 15 single-player Steam games similar to Atom, 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 Atom page.
Ranked picks
- 1
Manifold Garden
Single-player alternative to Atom — playable solo, no multiplayer required. Shares Indie with Atom.
Rediscover gravity and explore an Escher-esque world of impossible architecture. Witness infinity in first-person and master its rules to solve physics-defying puzzles. Cultivate a garden to open new paths forward, where an eternal expanse awaits.
- 2
Everything
Single-player alternative to Atom — playable solo, no multiplayer required. Shares Indie and Simulation with Atom.
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.
- 3
Solar 2
Single-player alternative to Atom — playable solo, no multiplayer required. Shares Indie and Simulation with Atom.
Dynamic abstract sandbox universe. Changes and evolves as you do.
- 4
EDGE
Single-player alternative to Atom — playable solo, no multiplayer required. Shares Indie with Atom.
EDGE, the award winning retro-styled platform game has been extended! Now with over 40 brand new levels, additional music and all-new races against the notorious Dark Cube!
- 5
ATOM RPG: Post-apocalyptic indie game
Single-player alternative to Atom — playable solo, no multiplayer required.
ATOM RPG is a post-apocalyptic indie game, inspired by classic CRPGs: Fallout, Wasteland, Deus Ex, Baldur's Gate and many others.
- 6
Teardown
Single-player alternative to Atom — playable solo, no multiplayer required. Shares Indie and Simulation with Atom.
Prepare the perfect heist in a fully destructible, simulated voxel world. Tear down walls with vehicles or use explosives to create your own shortcuts. Shape the environment to your advantage in the most creative ways you can imagine. Play solo or with up to 12 players in multiplayer.
- 7
Wobbledogs
Single-player alternative to Atom — playable solo, no multiplayer required. Shares Indie and Simulation with Atom.
A 3D pet simulation where you raise your own personal hive of mutating dogs, physically simulated all the way down to their guts! Wobbledogs is a casual and chill sandbox for players of all ages who want to care for their very own virtual pets in a surprising, unique, and stress-free environment.
- 8
Factorio
Single-player alternative to Atom — playable solo, no multiplayer required. Shares Indie and Simulation with Atom.
Factorio is a game about building and creating automated factories to produce items of increasing complexity, within an infinite 2D world. Use your imagination to design your factory, combine simple elements into ingenious structures, and finally protect it from the creatures who don't really like you.
- 9
Black Hole Simulator
Single-player alternative to Atom — playable solo, no multiplayer required. Shares Indie and Simulation with Atom.
A simple black hole simulator.
- 10
Tree Bonsai
Single-player alternative to Atom — playable solo, no multiplayer required. Shares Indie and Simulation with Atom.
An artistic bonsai tree simulation game that follows the life cycle of a plum tree. You can cut branches, add nutrients, and graft while the seasons pass and your tree grows. You can finally fulfill your dreams of a digital bonsai.
- 11
Plankton
Single-player alternative to Atom — playable solo, no multiplayer required. Shares Indie and Simulation with Atom.
Minimalist style game : plankton simulation, an electronic pet generated by math codes. Under your care it will slowly grow up and evolve.
- 12
Flower Design
Single-player alternative to Atom — playable solo, no multiplayer required. Shares Indie and Simulation with Atom.
A flower arrangement sandbox game. The shapes and colors are freely adjustable and there is a garden where you can build a house and put flowers in.
- 13
Jellyfish
Single-player alternative to Atom — playable solo, no multiplayer required. Shares Indie and Simulation with Atom.
A simulation game about the life story of a jellyfish. In this game, I will present the full life cycle of a jellyfish: from an egg to a hydra and finally, after a not very long journey it becomes an adult jellyfish. A work of interactive art to bring the most beautiful of sea creatures to your screen.
- 14
I Am a Rock
Single-player alternative to Atom — playable solo, no multiplayer required. Shares Indie and Simulation with Atom.
A rock's solar system odyssey.
- 15
Yin Yang Space
Single-player alternative to Atom — playable solo, no multiplayer required. Shares Indie and Simulation with Atom.
A sandbox FPS game, you can build gardens in the most intuitive and simple way and play with robots.