Single-player games like Colossal Citadels
Below are 8 single-player Steam games similar to Colossal Citadels, 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 Colossal Citadels page.
Ranked picks
- 1
The Little World
Single-player alternative to Colossal Citadels — playable solo, no multiplayer required. Shares Strategy and Simulation with Colossal Citadels.
The Little World is a strategy-based tactical game featuring random campaigns, story maps, custom game maps, and custom character creation, with support for multiplayer battles and cooperation.
- 2
Archipeo
Single-player alternative to Colossal Citadels — playable solo, no multiplayer required. Shares Strategy and Indie with Colossal Citadels.
Build a thriving island empire in this retro city-builder. Automate complex supply chains and shape your archipelago across singleplayer and 16-player multiplayer.
- 3
Dominions 6 - Rise of the Pantokrator
Single-player alternative to Colossal Citadels — playable solo, no multiplayer required. Shares Strategy with Colossal Citadels.
In Dominions 6 you take control of a powerful being that rules a nation and aspires to godhood. The type of Pretender Gods can vary from magically powerful arch mages to old dragons or an enormous tree. Dominions is a deep 4x turn based strategy game with a very large variety of spells and units.
- 4
Heroes of Science and Fiction
Single-player alternative to Colossal Citadels — playable solo, no multiplayer required. Shares Strategy and Indie with Colossal Citadels.
A turn-based sci-fi strategy that combines exploration and exciting clashes on the battlefield. Take control over several different species, raise powerful armies for your heroes and destroy your opponents! This HoMM-like is set in a scifi universe, with new mechanics on top of the classic formula.
- 5
Rising Lords
Single-player alternative to Colossal Citadels — playable solo, no multiplayer required. Shares Strategy and Indie with Colossal Citadels.
Rising Lords is a medieval turn-based strategy game with card and board game elements. Send your serfs to fight and die in your name... or let them prosper, and use them to your advantage!
- 6
ZEPHON
Single-player alternative to Colossal Citadels — playable solo, no multiplayer required. Shares Strategy and RPG with Colossal Citadels.
From the developers of Warhammer 40,000: Gladius, ZEPHON is a post-apocalyptic 4X strategy game built on Proxy’s unique tactical combat system. Guide survivors through a turbulent future, navigating unexpected disasters, eldritch horror and cyberpunk monstrosities. What will you do to survive?
- 7
Warhammer 40,000: Gladius - Relics of War
Single-player alternative to Colossal Citadels — playable solo, no multiplayer required. Shares Strategy with Colossal Citadels.
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.
- 8
Cantata
Single-player alternative to Colossal Citadels — playable solo, no multiplayer required. Shares Strategy and Indie with Colossal Citadels.
Crash-landed in the universe of Cantata, will you expand your empire or bring peace to the war torn planet? Grow your army, manage resources and discover the colourful planet of Shoal, its people, and the armed forces overrunning this land in this genre-defining Grand Tactics game.