Single-player games like I Am a Rock
Below are 15 single-player Steam games similar to I Am a Rock, 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 I Am a Rock page.
Ranked picks
- 1

Bird
Single-player alternative to I Am a Rock — playable solo, no multiplayer required. Shares Indie and Simulation with I Am a Rock.
You are a bird, you are free in this small place, but you can't get out, all you can do is fly around.
- 2

Exo One
Single-player alternative to I Am a Rock — playable solo, no multiplayer required. Shares Indie and Adventure with I Am a Rock.
A strange signal... an alien craft... an interplanetary, gravity-defying journey through space and time.
- 3

Tower! Simulator 3
Single-player alternative to I Am a Rock — playable solo, no multiplayer required. Shares Strategy and Indie with I Am a Rock.
Immerse yourself in an ultra-realistic environment that brings the challenges of air traffic control right to your fingertips. With brand-new lighting system, intuitive 2D graphical user interface (GUI), improved voice recognition, 9 airports included, Tower! Sim 3 sets a new gold standard.
- 4

Rocket Science
Single-player alternative to I Am a Rock — playable solo, no multiplayer required. Shares Strategy and Simulation with I Am a Rock.
Take part in a space program. Design spacecrafts and send them off to explore the vast expanses of space. Experience the real scale of the Solar system and the size of its celestial bodies.
- 5

SpaceEngine
Single-player alternative to I Am a Rock — playable solo, no multiplayer required. Shares Indie and Simulation with I Am a Rock.
The world's first science-based photorealistic interactive 3D planetarium that models the entire Universe, using procedural generation for uncharted areas.
- 6

Objects in Space
Single-player alternative to I Am a Rock — playable solo, no multiplayer required. Shares Strategy and Indie with I Am a Rock.
Objects in Space is a retro space game centred on 2D point-and-click stealth action in a massive open world. Players have their own customisable ships and can meet people, become a trader, bounty hunter, explorer, scavenger or all of them at once.
- 7

X3: Terran Conflict
Single-player alternative to I Am a Rock — playable solo, no multiplayer required. Shares Strategy and Simulation with I Am a Rock.
It is the year 2938. The long wished-for encounter of the X Universe and the Earth holds both joy and sorrow for the people. Despite flourishing trade, the clash of the diverse races, cultures and life forms creates new tensions, mistrust and open conflict that need to be overcome!
- 8

Flight Of Nova
Single-player alternative to I Am a Rock — playable solo, no multiplayer required. Shares Simulation and Early Access with I Am a Rock.
Flight of Nova is a simulator based on newtonian mechanics in which you control spacecraft in the Noren star system. You fly multiple types of spacecraft doing transport and search missions in an environment with realistic aerodynamics and orbital physics.
- 9

Black Hole Simulator
Single-player alternative to I Am a Rock — playable solo, no multiplayer required. Shares Indie and Adventure with I Am a Rock.
A simple black hole simulator.
- 10

Tree Bonsai
Single-player alternative to I Am a Rock — playable solo, no multiplayer required. Shares Indie and Simulation with I Am a Rock.
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 I Am a Rock — playable solo, no multiplayer required. Shares Indie and Simulation with I Am a Rock.
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 I Am a Rock — playable solo, no multiplayer required. Shares Indie and Simulation with I Am a Rock.
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 I Am a Rock — playable solo, no multiplayer required. Shares Indie and Adventure with I Am a Rock.
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

Atom
Single-player alternative to I Am a Rock — playable solo, no multiplayer required. Shares Indie and Simulation with I Am a Rock.
A simple hydrogen atom simulator.
- 15

Yin Yang Space
Single-player alternative to I Am a Rock — playable solo, no multiplayer required. Shares Indie and Simulation with I Am a Rock.
A sandbox FPS game, you can build gardens in the most intuitive and simple way and play with robots.