Single-player games like Galactic Empire
Below are 11 single-player Steam games similar to Galactic Empire, 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 Galactic Empire page.
Ranked picks
- 1
ExoColony: Planet Survival
Single-player alternative to Galactic Empire — playable solo, no multiplayer required. Shares Strategy and Indie with Galactic Empire.
Challenging space-colony sim. Guide generations of colonists, raise and educate them, manage resources, and ensure food supply. Maintain a breathable atmosphere, tackle pollution, and refine materials to build essential structures. Terraform planet and build ecosystem to make it your new home.
- 2
Terraformers: First Steps on Mars
Single-player alternative to Galactic Empire — playable solo, no multiplayer required. Shares Strategy and Simulation with Galactic Empire.
Terraformers: First Steps on Mars is a free prologue of Terraformers, featuring an exclusive challenge to lead humanity's first attempt at settling the Red Planet.
- 3
Age of Wonders: Planetfall
Single-player alternative to Galactic Empire — playable solo, no multiplayer required. Shares Strategy with Galactic Empire.
Age of Wonders: Planetfall is the new strategy game from Triumph Studios, creators of the critically acclaimed Age of Wonders series, bringing all the exciting tactical turn-based combat and in-depth empire building of its predecessors to space in an all-new, sci-fi setting.
- 4
Anno 2205™
Single-player alternative to Galactic Empire — playable solo, no multiplayer required. Shares Strategy and Simulation with Galactic Empire.
In Anno 2205™, you join humankind‘s next step into the future with the promise to build a better tomorrow. You conquer Earth, establishing rich, bustling cities and grand industrial complexes, but to secure the prosperity of your people, you must travel into space.
- 5
Industries of Titan
Single-player alternative to Galactic Empire — playable solo, no multiplayer required. Shares Strategy and Indie with Galactic Empire.
Create a sprawling industrial city. Compete with other rival corporations on Titan for resources, territory, and power. Seek victory via technology, influence, warfare, or the wealth extracted from your citizens. Stake your claim to the Industries of Titan in this innovative sim/strategy game!
- 6
Space Haven
Single-player alternative to Galactic Empire — playable solo, no multiplayer required. Shares Strategy and Indie with Galactic Empire.
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.
- 7
Surviving Mars
Single-player alternative to Galactic Empire — playable solo, no multiplayer required. Shares Strategy and Simulation with Galactic Empire.
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.
- 8
Solargene
Single-player alternative to Galactic Empire — playable solo, no multiplayer required. Shares Strategy and Indie with Galactic Empire.
Take Command of a Space Corporation in the Sci-Fi Simulator Solargene! Manage personnel, design and develop colonies and orbital stations across the solar system! Mine resources, establish logistics, research cutting-edge technologies, trade, and complete missions
- 9
Logic Colors
Single-player alternative to Galactic Empire — playable solo, no multiplayer required. Shares Indie with Galactic Empire.
Logic Colors is Indie Logic Game in which You move color tiles to solve riddles. Discover rules and relax in 225 unique levels and unlock all items in game! Will You finish them perfectly?
- 10
Broken Lands - Tower Defense
Single-player alternative to Galactic Empire — playable solo, no multiplayer required. Shares Strategy and Indie with Galactic Empire.
Get ready for an epic journey to defend Broken Lands against hordes of goblins, dwarves, elves and other nasty fiends using a vast arsenal of towers and spells! Fight on deserts, seas, forests and mountains, customizing your defensive strategy with different tower upgrades and specializations!
- 11
Broken Lands Village
Single-player alternative to Galactic Empire — playable solo, no multiplayer required. Shares Indie with Galactic Empire.
The real world no longer exists! I was trapped in this cursed Village made of inkblots on parchment. Every day I'm stalked by an assasin and stuck in a time loop. None of the residents remember me, although I myself have memories. I need to get out of here ASAP