Single-player games like NBody Gravitation
Below are 9 single-player Steam games similar to NBody Gravitation, 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 NBody Gravitation page.
Ranked picks
- 1
Ryzer: The Reflectors Path
Single-player alternative to NBody Gravitation — playable solo, no multiplayer required. Shares Indie and Casual with NBody Gravitation.
In another normal day of his job as a space engineer, Ryzer is going to fix a space prison ship and things don't go his way. In Ryzer: The Reflectors Path, help Ryzer find the best path through the reflectors in this futuristic puzzle and finally just complete his job.
- 2
Colorgrid
Single-player alternative to NBody Gravitation — playable solo, no multiplayer required. Shares Casual with NBody Gravitation.
Colorgrid is a puzzle game about mixing colors in a Lab. Find the correct positions for your lasers and mirrors to get the right mix of colors in each material.
- 3
TerraBlocks
Single-player alternative to NBody Gravitation — playable solo, no multiplayer required. Shares Indie and Casual with NBody Gravitation.
TerraBlocks is a geography-based puzzle game where you move and rotate drifting continent pieces from the North Pole to their correct places. As you progress, the challenge increases. Test your spatial awareness and geographic knowledge while rebuilding the world!
- 4
Aptamirror
Single-player alternative to NBody Gravitation — playable solo, no multiplayer required. Shares Indie and Casual with NBody Gravitation.
Aptamirror is a meditative physics-based puzzle game inspired by molecular biology. Manipulate RNA strands by grabbing, mutating, cleaving, and ligating to match increasingly complex target structures. Challenge yourself with 50 handcrafted puzzles designed by a PhD Biochemist. Think. Fold. Repeat.
- 5
Voyager 2
Single-player alternative to NBody Gravitation — playable solo, no multiplayer required. Shares Indie and Casual with NBody Gravitation.
Launch the Voyager space probe to the furthest depths of the Solar System! Use gravity to slingshot around planets and scan, orbit, or land on targets to earn stunning replays of your accomplishments.
- 6
PlanetMars3D: Spirit Mission
Single-player alternative to NBody Gravitation — playable solo, no multiplayer required. Shares Indie and Casual with NBody Gravitation.
Explore Mars in 3D through real Pancam photographs from NASA's Spirit rover. Glide between images with detail that sharpens as you approach, and skim thousands of rover photos at a glance — manual mode, slideshow, or automated flythrough. Photo credit: JPL / NASA / Cornell / ASU
- 7
Magnet Mania 3D
Single-player alternative to NBody Gravitation — playable solo, no multiplayer required. Shares Indie with NBody Gravitation.
Magnet Mania 3D, it's a simulation game for small and big engineers, school children to learn about magnetism and physics.
- 8
Kerbal Space Program
Single-player alternative to NBody Gravitation — playable solo, no multiplayer required. Shares Indie with NBody Gravitation.
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.
- 9
The Rogue Cavern
Single-player alternative to NBody Gravitation — playable solo, no multiplayer required. Shares Indie with NBody Gravitation.
Explore an endless, procedurally generated cavern and find items in this roguevania-esque platformer.