Single-player games like Alchemy Laboratory: Simulator
Below are 8 single-player Steam games similar to Alchemy Laboratory: Simulator, 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 Alchemy Laboratory: Simulator page.
Ranked picks
- 1
Universe Sandbox
Single-player alternative to Alchemy Laboratory: Simulator — playable solo, no multiplayer required. Shares Indie and Simulation with Alchemy Laboratory: Simulator.
Create & destroy on an unimaginable scale with a realistic physics-based space simulator. Explore the beauty of our universe and the fragility of our planet. Use science to bend the laws of gravity, collide planets, boil away oceans, fire epic space lasers, and customize your universe.
- 2
Sand in a Box
Single-player alternative to Alchemy Laboratory: Simulator — playable solo, no multiplayer required. Shares Indie and Simulation with Alchemy Laboratory: Simulator.
Sand in a Box is a 'falling sand' game that simulates thermal flow, electricity, radioactive decay, and gravity. Create art, experiment with physics, and craft your own simulation rules with user-friendly mod support!
- 3
Sand:box
Single-player alternative to Alchemy Laboratory: Simulator — playable solo, no multiplayer required. Shares Indie and Simulation with Alchemy Laboratory: Simulator.
"Falling sand" style particle sandbox, now with circuits and stickmen!
- 4
Kerbal Space Program
Single-player alternative to Alchemy Laboratory: Simulator — playable solo, no multiplayer required. Shares Indie and Simulation with Alchemy Laboratory: Simulator.
In Kerbal Space Program, take charge of the space program for the alien race known as the Kerbals. You have access to an array of parts to assemble fully-functional spacecraft that flies (or doesn’t) based on realistic aerodynamic and orbital physics.
- 5
Sandboxels
Single-player alternative to Alchemy Laboratory: Simulator — playable solo, no multiplayer required. Shares Indie and Simulation with Alchemy Laboratory: Simulator.
Falling-sand sandbox game with 500+ elements, chemistry, fire, life, food, and anything you can imagine.
- 6
The Sapling
Single-player alternative to Alchemy Laboratory: Simulator — playable solo, no multiplayer required. Shares Simulation with Alchemy Laboratory: Simulator.
The Sapling is a short simulation game where you design your own plants and animals, and put them in a world together. Or you turn on random mutations, and see what evolution does to your ecosystem!
- 7
Terra Firma 2
Single-player alternative to Alchemy Laboratory: Simulator — playable solo, no multiplayer required. Shares Indie and Simulation with Alchemy Laboratory: Simulator.
Shape breathtaking worlds in Terra Firma 2, a vast simulation where your creations evolve through the forces of nature. Sculpt the land, then watch as weather, erosion, and life itself transform your world into a dynamic, living ecosystem- right down to every plant and creature.
- 8
Species: Artificial Life, Real Evolution
Single-player alternative to Alchemy Laboratory: Simulator — playable solo, no multiplayer required. Shares Simulation with Alchemy Laboratory: Simulator.
Play with evolution! Species: ALRE is a scientifically-grounded, emergent simulation of natural selection. Creatures evolve and speciate in response to in-game mutation and selection forces, allowing you to experience and tinker with evolution in real-time.