Single-player games like Planetbase
Below are 15 single-player Steam games similar to Planetbase, 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 Planetbase page.
Ranked picks
- 1
Surviving Mars
Single-player alternative to Planetbase — playable solo, no multiplayer required. Shares Strategy and Simulation with Planetbase.
There will be challenges to overcome. Execute your strategy and improve your colony’s chances of survival while unlocking the mysteries of this alien world. Are you ready? Mars is waiting for you.
- 2
Banished
Single-player alternative to Planetbase — playable solo, no multiplayer required. Shares Strategy and Indie with Planetbase.
In this city-building strategy game, you control a group of exiled travelers who decide to restart their lives in a new land. They have only the clothes on their backs and a cart filled with supplies from their homeland. The townspeople of Banished are your primary resource.
- 3
Aven Colony
Single-player alternative to Planetbase — playable solo, no multiplayer required. Shares Strategy and Indie with Planetbase.
Build a new home for humanity in Aven Colony. Discover Aven Prime - an alien planet of deserts, tundras, and wetlands light years from earth. Build your colonies into massive, sprawling cities whilst dealing with the challenges faced when settling on a new world.
- 4
Space Haven
Single-player alternative to Planetbase — playable solo, no multiplayer required. Shares Strategy and Indie with Planetbase.
Embark on a space voyage with your ragtag crew of civilians in search of a new home. Build spaceships tile by tile, create optimal gas conditions, manage the needs and moods of their crew, encounter other space-faring groups, and explore the universe in this spaceship colony simulation.
- 5
The Crust
Single-player alternative to Planetbase — playable solo, no multiplayer required. Shares Strategy and Simulation with Planetbase.
Automate a lunar base as you become the savior of humanity exploring the future on the moon. Mine, craft, research, and trade resources with Earth in this gripping narrative basebuilder.
- 6
RimWorld
Single-player alternative to Planetbase — playable solo, no multiplayer required. Shares Strategy and Indie with Planetbase.
A sci-fi colony sim driven by an intelligent AI storyteller. Generates stories by simulating psychology, ecology, gunplay, melee combat, climate, biomes, diplomacy, interpersonal relationships, art, medicine, trade, and more.
- 7
Dawn of Man
Single-player alternative to Planetbase — playable solo, no multiplayer required. Shares Strategy and Indie with Planetbase.
Command a settlement of ancient humans, guide them through the ages in their struggle for survival. Hunt, gather, craft tools, fight, research new techs and face the challenges the environment will throw at you.
- 8
Oxygen Not Included
Single-player alternative to Planetbase — playable solo, no multiplayer required. Shares Indie and Simulation with Planetbase.
Oxygen Not Included is a space-colony simulation game. Deep inside an alien space rock your industrious crew will need to master science, overcome strange new lifeforms, and harness incredible space tech to survive, and possibly, thrive.
- 9
Stranded: Alien Dawn
Single-player alternative to Planetbase — playable solo, no multiplayer required. Shares Strategy and Simulation with Planetbase.
Brave a new world in Stranded: Alien Dawn, a planet survival sim placing the fate of a small marooned group in your hands. Forge your story through compelling and immersive strategic gameplay as you make vital decisions to protect your survivors.
- 10
The Sims™ 4
Single-player alternative to Planetbase — playable solo, no multiplayer required. Shares Simulation with Planetbase.
Play with life and discover the possibilities. Unleash your imagination and create a world of Sims that’s wholly unique. Explore and customize every detail from Sims to homes–and much more.
- 11
Dwarf Fortress
Single-player alternative to Planetbase — playable solo, no multiplayer required. Shares Strategy and Indie with Planetbase.
Build a fortress and try to help your dwarves survive against a deeply generated world. Keep your dwarves happy, grow their community and beware of digging too deeply. The deepest, most intricate simulation of a world that's ever been created.
- 12
Space Chef
Single-player alternative to Planetbase — playable solo, no multiplayer required. Shares Simulation with Planetbase.
Hunt, cook, and deliver cosmic cuisine using ingredients from across the galaxy to become the greatest chef in the Horseshoe Nebula. Explore alien worlds teeming with (edible) life, win the hearts of your customers, and thwart the rise of an evil interstellar burger chain.
- 13
Gnomoria
Single-player alternative to Planetbase — playable solo, no multiplayer required. Shares Strategy and Indie with Planetbase.
Gnomoria is a sandbox village management game where you help lead a small group of gnomes, who have set out on their own, to thrive into a bustling kingdom! Anything you see can be broken down and rebuilt elsewhere.
- 14
Contraption Maker
Single-player alternative to Planetbase — playable solo, no multiplayer required. Shares Indie and Simulation with Planetbase.
The spiritual successor to The Incredible Machine from its original designer and programmer. Play 100s of puzzles. Build and share elaborate contraptions with an huge variety of parts and critters.
- 15
The Mobius Machine
Single-player alternative to Planetbase — playable solo, no multiplayer required. Shares Indie with Planetbase.
Discover a vast alien world. Fight the ferocious local fauna and killer machines. Reveal its secrets and find a way to escape. The Mobius Machine is a side-scroller action adventure, with an emphasis on free-form exploration and intense combat.