Single-player games like After the Empire
Below are 9 single-player Steam games similar to After the 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 After the Empire page.
Ranked picks
- 1

Galactic Empire
Single-player alternative to After the Empire — playable solo, no multiplayer required. Shares Strategy and Indie with After the Empire.
Galactic Empire is a 2D turn-based strategy game where you, as the Commander, decide the fate of the entire universe. Expand your planet, explore solar systems, play cards in cantinas, modify your ships and conquer more planets.
- 2

Reshaping Mars
Single-player alternative to After the Empire — playable solo, no multiplayer required. Shares Strategy and Indie with After the Empire.
「Reshaping Mars」is a colony simulation game on Mars, you will start by gathering resources, storing food, accepting immigrants, and building a better colony together. Develop powerful technologies for Mars Reshaping, make Mars great agai..sorry, just great. Don't forget to make the residents happy.
- 3

The Last Federation
Single-player alternative to After the Empire — playable solo, no multiplayer required. Shares Strategy and Indie with After the Empire.
From the creators of AI War: Fleet Command comes an all-new grand strategy title with turn-based tactical combat, set in a deep simulation of an entire solar system and its billions of inhabitants. You are the last of a murdered race, determined to unify or destroy the 8 others.
- 4

Distant Worlds: Universe
Single-player alternative to After the Empire — playable solo, no multiplayer required. Shares Strategy and Simulation with After the Empire.
Distant Worlds is a vast, pausable real-time 4X space strategy game. Experience the full depth and detail of turn-based strategy, but with the simplicity and ease of real-time, and on the scale of a massively-multiplayer online game.
- 5

Starpoint Gemini Warlords
Single-player alternative to After the Empire — playable solo, no multiplayer required. Shares Strategy and Simulation with After the Empire.
Strategy from the front lines! Starpoint Gemini Warlords combines 3rd person capital spaceship combat with 4X strategy and RPG gameplay elements. Build mighty war fleets and send them into battle or lead them into combat yourself. Become the Warlord and conquer the Gemini system!
- 6

Sins of a Solar Empire®: Rebellion
Single-player alternative to After the Empire — playable solo, no multiplayer required. Shares Strategy and Indie with After the Empire.
Command a space-faring empire in Sins of a Solar Empire: Rebellion, the new stand-alone expansion that combines 4X depth with real-time strategy gameplay.
- 7

SPACECOM
Single-player alternative to After the Empire — playable solo, no multiplayer required. Shares Strategy and Indie with After the Empire.
SPACECOM – a strategic-to-the-bone, starfleet command game in which deception, smart movement, and choices to battle decide victory or defeat.
- 8

Horizon
Single-player alternative to After the Empire — playable solo, no multiplayer required. Shares Strategy and Indie with After the Empire.
Horizon is a turn-based space strategy game of galactic exploration and conquest in which you are in control of humanity’s destiny. You will explore deep space, find new frontiers and discover alien artifacts hidden on long-abandoned planets.
- 9

The Viceroy
Single-player alternative to After the Empire — playable solo, no multiplayer required. Shares Strategy and Indie with After the Empire.
The Viceroy is a turn-based economic strategy sci-fi game. You will rebuild vast regions recently destroyed by disaster, crush rebel fleets, explore a large, far-future tech tree, manage elaborately intertwined economies, respond to emerging events, and earn permanent skills to overcome escalating challenges.