Single-player games like Black Hole Simulator
Below are 15 single-player Steam games similar to Black Hole 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 Black Hole Simulator page.
Ranked picks
- 1
Universe Sandbox
Single-player alternative to Black Hole Simulator — playable solo, no multiplayer required. Shares Indie and Simulation with Black Hole 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
SpaceEngine
Single-player alternative to Black Hole Simulator — playable solo, no multiplayer required. Shares Indie and Simulation with Black Hole Simulator.
The world's first science-based photorealistic interactive 3D planetarium that models the entire Universe, using procedural generation for uncharted areas.
- 3
Kerbal Space Program
Single-player alternative to Black Hole Simulator — playable solo, no multiplayer required. Shares Indie and Simulation with Black Hole 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.
- 4
Imagine Earth
Single-player alternative to Black Hole Simulator — playable solo, no multiplayer required. Shares Indie and Simulation with Black Hole Simulator.
Build your own global colonies on distant worlds. Manage energy and resource supplies and produce goods for space trade. Form economic and diplomatic alliances or take over competing corporations. Conduct research to protect your colonists from disasters and avoid a climate crisis.
- 5
Space Mechanic Simulator
Single-player alternative to Black Hole Simulator — playable solo, no multiplayer required. Shares Indie and Simulation with Black Hole Simulator.
Become a Space Mechanic! Get your hands dirty, explore the depths of space and repair broken machinery. Diagnose problems using diagrams and tools, perform repairs, manage your resources and watch the simulated machinery come alive. Or just gaze upon the beauty of the Solar System.
- 6
Thrive
Single-player alternative to Black Hole Simulator — playable solo, no multiplayer required. Shares Indie and Simulation with Black Hole Simulator.
An evolution simulation game. Take control of your species in the environment and edit your species as a whole. Compete with other evolving species for resources on an alien planet.
- 7
Solar 2
Single-player alternative to Black Hole Simulator — playable solo, no multiplayer required. Shares Indie and Adventure with Black Hole Simulator.
Dynamic abstract sandbox universe. Changes and evolves as you do.
- 8
SPORE™
Single-player alternative to Black Hole Simulator — playable solo, no multiplayer required. Shares Adventure and Simulation with Black Hole Simulator.
Be the architect of your own universe with Spore, an exciting single-player adventure. From Single Cell to Galactic God, evolve your creature in a universe of your own creations.
- 9
Tree Bonsai
Single-player alternative to Black Hole Simulator — playable solo, no multiplayer required. Shares Indie and Simulation with Black Hole Simulator.
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.
- 10
Plankton
Single-player alternative to Black Hole Simulator — playable solo, no multiplayer required. Shares Indie and Simulation with Black Hole Simulator.
Minimalist style game : plankton simulation, an electronic pet generated by math codes. Under your care it will slowly grow up and evolve.
- 11
Flower Design
Single-player alternative to Black Hole Simulator — playable solo, no multiplayer required. Shares Indie and Simulation with Black Hole Simulator.
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.
- 12
Jellyfish
Single-player alternative to Black Hole Simulator — playable solo, no multiplayer required. Shares Indie and Adventure with Black Hole Simulator.
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.
- 13
Atom
Single-player alternative to Black Hole Simulator — playable solo, no multiplayer required. Shares Indie and Simulation with Black Hole Simulator.
A simple hydrogen atom simulator.
- 14
I Am a Rock
Single-player alternative to Black Hole Simulator — playable solo, no multiplayer required. Shares Indie and Adventure with Black Hole Simulator.
A rock's solar system odyssey.
- 15
Yin Yang Space
Single-player alternative to Black Hole Simulator — playable solo, no multiplayer required. Shares Indie and Simulation with Black Hole Simulator.
A sandbox FPS game, you can build gardens in the most intuitive and simple way and play with robots.