Single-player games like Spacebase Startopia
Below are 16 single-player Steam games similar to Spacebase Startopia, 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 Spacebase Startopia page.
Ranked picks
- 1
Startopia
Single-player alternative to Spacebase Startopia — playable solo, no multiplayer required. Shares Simulation with Spacebase Startopia.
A once thriving network of space stations and planets have been left lifeless, redundant scars of the apocalypse. Into this age of darkness comes light. You will lead the way in rebuilding the network of space stations to a standard accepted by the individual alien races, attracting them to harness their expertise and research new...
- 2
Tropico 6
Single-player alternative to Spacebase Startopia — playable solo, no multiplayer required. Shares Strategy and Simulation with Spacebase Startopia.
El Presidente is back! Prove yourself once again as a feared dictator or peace-loving statesman on the island state of Tropico and shape the fate of your very own banana republic through four distinctive eras.
- 3
Dungeons 3
Single-player alternative to Spacebase Startopia — playable solo, no multiplayer required. Shares Strategy and Simulation with Spacebase Startopia.
At last, the Dungeon Lord has successfully united the forces of evil and established his dark empire. Time for the next step in his most diabolical quest: expansion!
- 4
Space Colony: Steam Edition
Single-player alternative to Spacebase Startopia — playable solo, no multiplayer required. Shares Strategy and Simulation with Spacebase Startopia.
Space Colony: Steam Edition is a remaster of the real-time base builder and strategy game from Firefly Studios, creators of the Stronghold series. In Space Colony you colonize to survive, designing intergalactic bases that keep your crew productive, happy and defended against hostile alien threats.
- 5
Galacticare
Single-player alternative to Spacebase Startopia — playable solo, no multiplayer required. Shares Strategy and Simulation with Spacebase Startopia.
Build, manage and optimise intergalactic hospitals! Recruit staff to satisfy the whims of various alien species, and cure their bizarre illnesses - for money! Save the (literal) Galaxy in story mode, or head into sandbox to design the hospital of your dreams.
- 6
Northgard: Definitive Edition
Single-player alternative to Spacebase Startopia — playable solo, no multiplayer required. Shares Strategy and Simulation with Spacebase Startopia.
Northgard: Definitive Edition is a critically acclaimed real-time strategy game based on Norse mythology. Lead your clan, uncover the secrets of a mysterious newfound continent and defeat your enemies to conquer the Throne!
- 7
Two Point Campus
Single-player alternative to Spacebase Startopia — playable solo, no multiplayer required. Shares Simulation and Strategy with Spacebase Startopia.
Build the university of your dreams with Two Point Campus, the sim with a twist from the makers of Two Point Hospital. Build, hire staff and run an academic institution packed with wild courses.
- 8
Anno 1800
Single-player alternative to Spacebase Startopia — playable solo, no multiplayer required. Shares Simulation and Strategy with Spacebase Startopia.
Anno 1800™ – Lead the Industrial Revolution! Welcome to the dawn of the Industrial Age. The path you choose will define your world. Are you an innovator or an exploiter? A conqueror or a liberator? How the world remembers your name is up to you.
- 9
Two Point Hospital
Single-player alternative to Spacebase Startopia — playable solo, no multiplayer required. Shares Simulation with Spacebase Startopia.
Design stunning hospitals, cure peculiar illnesses and manage troublesome staff as you spread your budding healthcare organisation across Two Point County.
- 10
The Sims™ 4
Single-player alternative to Spacebase Startopia — playable solo, no multiplayer required. Shares Simulation with Spacebase Startopia.
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
Dungeons 4
Single-player alternative to Spacebase Startopia — playable solo, no multiplayer required. Shares Simulation and Strategy with Spacebase Startopia.
The Absolute Evil and its trusted *cough* servant, the Dark Elf Thalya, return in Dungeons 4 after the events of its fabulous predecessor to bring about their triumph over the forces of good once more.
- 12
Dungeons 2
Single-player alternative to Spacebase Startopia — playable solo, no multiplayer required. Shares Strategy and Simulation with Spacebase Startopia.
The Dungeon Lord is back – and this time he’s serious! In Dungeons 2, fulfil the Dungeon Lord’s insatiable quest for vengeance by recruiting fearsome new monsters from all corners of the underworld in order to undertake his evil bidding.
- 13
DARK
Single-player alternative to Spacebase Startopia — playable solo, no multiplayer required.
DARK is a unique stealth-action game with RPG elements in which you take on the role of the ultimate hunter: a vampire. Ambush your enemies from the shadows, roam the darkness and use powerful vampire skills to dispatch your opponents.
- 14
Dungeons
Single-player alternative to Spacebase Startopia — playable solo, no multiplayer required. Shares Strategy with Spacebase Startopia.
Assume the role of a mighty (and mighty evil) Dungeon Lord and create your own diabolical demesnes underground. 10 different classes of heroes dare to enter your dungeon where 15 different monsters lurk in the dark.
- 15
Dungeons - The Dark Lord
Single-player alternative to Spacebase Startopia — playable solo, no multiplayer required. Shares Strategy and Simulation with Spacebase Startopia.
Dungeons: The Dark Lord is the sequel to Dungeons, the game where the more evil you are, the better! There are a slew of exciting new features, including four-player multiplayer in four modes!
- 16
Ceville
Single-player alternative to Spacebase Startopia — playable solo, no multiplayer required. Shares Strategy with Spacebase Startopia.
The mean cruel cold blooded tyrant Ceville ruthlessly rules the beautiful kingdom of Faeryanis. Or rather, he used to rule the beautiful kingdom of Faeryanis, until the brave people revolted against his regime and drove him out of the palace.