Single-player games like Cosmist
Below are 9 single-player Steam games similar to Cosmist, 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 Cosmist page.
Ranked picks
- 1
Ozymandias: Bronze Age Empire Sim
Single-player alternative to Cosmist — playable solo, no multiplayer required. Shares Strategy with Cosmist.
Build an empire in a single sitting. All the strategy of a classic 4X in a faster format, which also shines in multiplayer.
- 2
Warhammer 40,000: Gladius - Relics of War
Single-player alternative to Cosmist — playable solo, no multiplayer required. Shares Strategy with Cosmist.
Warhammer 40,000: Gladius – Relics of War brings you to a world of terror and violence. Four factions will engage in a brutal war for dominance over the planet’s resources. In the first turn-based 4X strategy game set in Warhammer 40,000 you will lead one of four unique factions.
- 3
ENDLESS™ Space - Definitive Edition
Single-player alternative to Cosmist — playable solo, no multiplayer required. Shares Strategy with Cosmist.
ENDLESS™ Space is a turn-based 4X strategy game, covering the space colonization age in the ENDLESS™ Universe, where you can control every aspect of your civilization as you strive for galactic domination.
- 4
ENDLESS™ Space 2
Single-player alternative to Cosmist — playable solo, no multiplayer required. Shares Strategy with Cosmist.
ENDLESS™ Space 2 is a Strategic Space Opera, featuring the compelling “just one more turn” gameplay, set in the mysterious ENDLESS™ Universe. As the leader of your civilization, will you impose your vision and build the greatest stellar empire?
- 5
Galactic Civilizations IV
Single-player alternative to Cosmist — playable solo, no multiplayer required. Shares Strategy with Cosmist.
Take command of a civilization that has just achieved faster-than-light travel in Galactic Civilizations IV, the newest entry in the award-winning space 4X strategy game series. Explore the galaxy, colonize worlds, shape cultures, make alliances, fight wars and pioneer new technologies.
- 6
Horizon
Single-player alternative to Cosmist — playable solo, no multiplayer required. Shares Strategy and Indie with Cosmist.
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.
- 7
Sid Meier’s Civilization® VI
Single-player alternative to Cosmist — playable solo, no multiplayer required. Shares Strategy with Cosmist.
Expand your empire, advance your culture and go head-to-head against history’s greatest leaders. Will your civilization stand the test of time?
- 8
BATTLETECH
Single-player alternative to Cosmist — playable solo, no multiplayer required. Shares Action and Strategy with Cosmist.
Take command of your own mercenary outfit of 'Mechs and the MechWarriors that pilot them, struggling to stay afloat as you find yourself drawn into a brutal interstellar civil war.
- 9
Loop
Single-player alternative to Cosmist — playable solo, no multiplayer required.
Loop is a visual novel set in a dark Irish Forest. Deirdre is set to find her husband who was sworn to become the Forest King. But it’s not easy for a human to walk in the magical realm. What will Deirdre learn about this other world? What will she find out about herself?