Single-player games like Citadelum
Below are 13 single-player Steam games similar to Citadelum, 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 Citadelum page.
Ranked picks
- 1
One Military Camp
Single-player alternative to Citadelum — playable solo, no multiplayer required. Shares Strategy and Indie with Citadelum.
Build your own military camp, manage the economy, recruit the best candidates and train them to become elite specialists. Send them on missions across the land to end the war once and for all!
- 2
Roman Triumph: Survival City Builder
Single-player alternative to Citadelum — playable solo, no multiplayer required. Shares Strategy and Indie with Citadelum.
At the farthest reaches of the empire, a new Roman city is born! Manage and grow your city, please the gods, and survive against barbarians and mythological threats to achieve Roman Triumph!
- 3
KAISERPUNK
Single-player alternative to Citadelum — playable solo, no multiplayer required. Shares Strategy and Simulation with Citadelum.
Build a city to rule the world in Kaiserpunk, a grand city builder blending production-focused city building with world conquest in an alternate 20th century world. Manage your city, grow industries, build a military, and defeat rivals to become the greatest empire.
- 4
Workers & Resources: Soviet Republic
Single-player alternative to Citadelum — playable solo, no multiplayer required. Shares Strategy and Simulation with Citadelum.
Build a soviet republic from an impoverished country into a rich industrial superpower in a city builder with intricate production chains and a fully simulated global economy. Manage the lives of your citizens from education to work and party loyalty to criminal activity.
- 5
Norland
Single-player alternative to Citadelum — playable solo, no multiplayer required. Shares Strategy and Simulation with Citadelum.
Lead your noble family in this medieval colony sim, facing off against class conflict, religious struggle, and political treachery. Tend to your people’s needs, uncover the lost knowledge of a fallen empire, and engage in nefarious plots against your enemies.
- 6
Stronghold Crusader HD (2012)
Single-player alternative to Citadelum — playable solo, no multiplayer required. Shares Strategy and Simulation with Citadelum.
The highly anticipated sequel to the best-selling Stronghold, Stronghold Crusader HD throws you into historic battles and castle sieges from the Crusades with fiendish AI opponents, new units, 4 historical campaigns and over 100 unique skirmish missions.
- 7
Stronghold: Warlords
Single-player alternative to Citadelum — playable solo, no multiplayer required. Shares Strategy and Simulation with Citadelum.
Besiege Great Khans, Imperial warlords and Shōgun commanders in Stronghold: Warlords, the latest 'castle sim' from Firefly Studios. Command AI warlords across the battlefield as you build a castle economy and new gunpowder-fuelled siege engines!
- 8
Pioneers of Pagonia
Single-player alternative to Citadelum — playable solo, no multiplayer required. Shares Strategy and Simulation with Citadelum.
Rebuild hope in a world that was lost in the fog. Lead your Pioneers across the isles of Pagonia, unite scattered tribes, raise thriving communities and discover the history of your people as you reclaim your world in the new story campaign.
- 9
Caesar™ 3
Single-player alternative to Citadelum — playable solo, no multiplayer required. Shares Strategy and Simulation with Citadelum.
Prove your strength of mind and spirit and you just may be crowned Caesar!
- 10
Farthest Frontier
Single-player alternative to Citadelum — playable solo, no multiplayer required. Shares Strategy and Indie with Citadelum.
Protect and guide your people as you forge a town from untamed wilderness at the edge of the known world. Harvest raw materials, hunt, fish and farm to survive. Produce crafted items to trade, consume, equip and fight with as you battle for your survival against the elements and outside threats.
- 11
Zeus Begins
Single-player alternative to Citadelum — playable solo, no multiplayer required. Shares Indie with Citadelum.
Help the young Zeus to come back to Olympus and defeat Cronus. Cronus ate all of his sons but Zeus escaped with the help of his mother,he trained so hard in combat to defeat all the enemies that Cronus send to him. Fight with mythologic creatures and titans across Grece in a beat´em up game!
- 12
Tiny Civilization
Single-player alternative to Citadelum — playable solo, no multiplayer required. Shares Strategy with Citadelum.
This is a historical simulation game that promotes the development of civilization based on the match-3 Game. You'll need to gather resources, use skills, discover new technology, and lead humanbeing through a 10,000-year journey to the cosmos.
- 13
Poseidon
Single-player alternative to Citadelum — playable solo, no multiplayer required. Shares Indie and Simulation with Citadelum.
Poseidon wants to return his beloved golden sharks back to the Greek seas, go to a small island and help God find his subjects!)