Single-player games like Sidereal Dominion: Avalon
Below are 8 single-player Steam games similar to Sidereal Dominion: Avalon, 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 Sidereal Dominion: Avalon page.
Ranked picks
- 1
ReEarth
Single-player alternative to Sidereal Dominion: Avalon — playable solo, no multiplayer required. Shares Strategy and Indie with Sidereal Dominion: Avalon.
ReEarth is an exciting TD & (RTS) indie game. Here, you will play as humanity's last hope. You will fend off the oncoming swarms by continuously building your base and dispatching various types of units. Prepare for the challenge and save the future of humanity!
- 2
Gemini Wars
Single-player alternative to Sidereal Dominion: Avalon — playable solo, no multiplayer required. Shares Strategy and Indie with Sidereal Dominion: Avalon.
Take control of a fleet commander returned from exile, rise through the ranks of the United Space Federation forces and join an epic war across the stars.
- 3
Nations
Single-player alternative to Sidereal Dominion: Avalon — playable solo, no multiplayer required. Shares Strategy and Indie with Sidereal Dominion: Avalon.
Select an era, a nation and lead it to greatness or decay. Develop the economy and society, or focus on military and territorial expansion. In Nations you can rule your people for centuries – from ancient times to the modern day and beyond. You shape your state, history and map of the world.
- 4
Creeper World 4
Single-player alternative to Sidereal Dominion: Avalon — playable solo, no multiplayer required. Shares Strategy and Indie with Sidereal Dominion: Avalon.
The unstoppable fluid enemy has returned and destroyed every world in its path! Defend against Creeper as it floods across the 3D terrain in this real time strategy game where the enemy is a fluid.
- 5
Creeper World IXE
Single-player alternative to Sidereal Dominion: Avalon — playable solo, no multiplayer required. Shares Strategy and Indie with Sidereal Dominion: Avalon.
The unstoppable alien force known as The Creeper has returned, devouring thousands of worlds in its path, and yours is next. Battle against the Creeper fluid in a groundbreaking pixel-level simulation to prove that humanity will rule the galaxy forever!
- 6
StarFringe: Adversus
Single-player alternative to Sidereal Dominion: Avalon — playable solo, no multiplayer required. Shares Strategy with Sidereal Dominion: Avalon.
This is the story about the beginning of the conquest of outer space by earthlings. It began as a global idea of saving mankind from hunger and lack of resources, and ended as a brutal and merciless war in space far from Earth.
- 7
Steel Division 2
Single-player alternative to Sidereal Dominion: Avalon — playable solo, no multiplayer required. Shares Strategy and Indie with Sidereal Dominion: Avalon.
Steel Division 2 is a historically-accurate WW2 real-time strategy game set on the Eastern Front. Features 1:1-scale turn-based army management and real-time tactical battles with thousands of men at your order.
- 8
Mandate Order
Single-player alternative to Sidereal Dominion: Avalon — playable solo, no multiplayer required. Shares Strategy and Indie with Sidereal Dominion: Avalon.
Mandate Order is a Warring States war city-builder set in ancient China. Build a stronghold, manage industries and logistics, recruit scholars from the Hundred Schools of Thought, raise armies, and command real-time tactical battles with thousands of soldiers.