Single-player games like Planetary Life
Below are 11 single-player Steam games similar to Planetary Life, 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 Planetary Life page.
Ranked picks
- 1
The Sapling
Single-player alternative to Planetary Life — playable solo, no multiplayer required. Shares Simulation and Early Access with Planetary Life.
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!
- 2
WorldBox - God Simulator
Single-player alternative to Planetary Life — playable solo, no multiplayer required. Shares Indie and Simulation with Planetary Life.
WorldBox is the ULTIMATE god simulator and sandbox game. A petri dish for your fantasy civilizations. Create your own world or destroy it using many powers. Watch civilizations grow, form kingdoms, colonize new lands, sail to far continents, wars to ignite, empires to fall and towns to burn!
- 3
Ecosystem
Single-player alternative to Planetary Life — playable solo, no multiplayer required. Shares Strategy and Indie with Planetary Life.
Create virtual lifeforms whose development is shaped by a deep simulation of evolution. Guide them as they fight, mate, and adapt to the environment you have built. All the creatures in the trailer evolved on their own in the game!
- 4
Terra Firma 2
Single-player alternative to Planetary Life — playable solo, no multiplayer required. Shares Strategy and Indie with Planetary Life.
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.
- 5
ANLIFE: Motion-Learning Life Evolution
Single-player alternative to Planetary Life — playable solo, no multiplayer required. Shares Indie and Simulation with Planetary Life.
A relaxing evolution simulation where AI-driven block creatures move in unexpected ways. There are no complex ecosystems—just pure movement learning through a physics engine. Watch as these creatures scurry, stumble, and evolve in their own unique, unpredictable ways.
- 6
PolyPine
Single-player alternative to Planetary Life — playable solo, no multiplayer required. Shares Indie and Simulation with Planetary Life.
A forest simulator where you grow trees and create habitats for animals, plants and insects. Click on animals to make them poop, hunt, dig, cut and twerk! Start with a few basic seeds and attempt to grow a thriving ecosystem.
- 7
Fantasy Map Simulator
Single-player alternative to Planetary Life — playable solo, no multiplayer required. Shares Strategy and Indie with Planetary Life.
Fantasy Map Simulator: Create and watch imaginary worlds evolve over centuries. Design maps, simulate nations and their politics, and control destinies. See empires rise and fall on your desktop wallpaper. A unique simulation for history buffs and creative minds.
- 8
Thrive
Single-player alternative to Planetary Life — playable solo, no multiplayer required. Shares Indie and Simulation with Planetary Life.
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.
- 9
SPORE™
Single-player alternative to Planetary Life — playable solo, no multiplayer required. Shares Strategy and Simulation with Planetary Life.
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.
- 10
Totally Accurate Battle Simulator
Single-player alternative to Planetary Life — playable solo, no multiplayer required. Shares Strategy and Indie with Planetary Life.
Be the leader of wobblers from ancient lands, spooky places, and fantasy worlds. Watch them fight in simulations made with the wobbliest physics system ever created, make your own wobblers in the unit creator and send your army off to fight your friends in multiplayer.
- 11
Species: Artificial Life, Real Evolution
Single-player alternative to Planetary Life — playable solo, no multiplayer required. Shares Simulation and Early Access with Planetary Life.
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.