Single-player games like Cube Kingdoms
Below are 9 single-player Steam games similar to Cube Kingdoms, 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 Cube Kingdoms page.
Ranked picks
- 1
Afterglow Fortress
Single-player alternative to Cube Kingdoms — playable solo, no multiplayer required. Shares Strategy and Indie with Cube Kingdoms.
A cute hand-drawn 2D medieval RTS game. Gather resources, build your base, develop by day, and defend against monster hordes at night to protect your realm.
- 2
ZeroSpace
Single-player alternative to Cube Kingdoms — playable solo, no multiplayer required. Shares Strategy and Indie with Cube Kingdoms.
ZeroSpace is a hybrid sci-fi RTS / RPG game that allows you to play as the commander of The Protectorate, a galactic force dedicated to securing humanity’s place in the galaxy. The Orion sector is locked in a vicious power struggle between many alien factions, ready to fight to the death.
- 3
Stronghold: Definitive Edition
Single-player alternative to Cube Kingdoms — playable solo, no multiplayer required. Shares Strategy with Cube Kingdoms.
Greetings sire! Your stronghold awaits you. Build a castle economy, besiege unforgettable villains and return to the 'castle sim' that started it all. Experience this classic RTS with upgraded visuals, modernised gameplay, Steam multiplayer and a new campaign.
- 4
King of the Universe
Single-player alternative to Cube Kingdoms — playable solo, no multiplayer required. Shares Strategy and Indie with Cube Kingdoms.
Help the kingdom of Kish conquer all of ancient Mesopotamia in this historical realtime strategy game. Fight all other empires in the region to earn the ancient title of Lugal Kiški: King of the Universe.
- 5
Cloudlings
Single-player alternative to Cube Kingdoms — playable solo, no multiplayer required. Shares Strategy and Indie with Cube Kingdoms.
Cloudlings is a cute colony sim set amongst the clouds. Guide a small tribe of curious creatures as they build a floating village, merge drifting islands, manage resources, unlock upgrades, and uncover the mysteries hiding beyond the clouds.
- 6
Here Comes The Swarm
Single-player alternative to Cube Kingdoms — playable solo, no multiplayer required. Shares Strategy and Indie with Cube Kingdoms.
Here Comes the Swarm is a survival RTS with a pause button! Create your strategy, build, manage, and defend your settlements at your own pace. Take the fight to the hive mind and lead expeditions to deliver a deadly blow and eradicate your foes. Will you reclaim Ulora from the relentless Swarm?
- 7
Repterra
Single-player alternative to Cube Kingdoms — playable solo, no multiplayer required. Shares Strategy and Early Access with Cube Kingdoms.
Repterra is a base-building survival RTS set in a world overrun by dinosaurs. Manage your colony while battling massive dino hordes. Breed and ride your own dinos, unlock permanent upgrades, and fight to reclaim the world for humanity.
- 8
Stronghold HD (2012)
Single-player alternative to Cube Kingdoms — playable solo, no multiplayer required. Shares Strategy with Cube Kingdoms.
The original castle sim, Stronghold HD allows you to design, build and destroy historical castles. Engage in medieval warfare against the AI in one of two single player campaigns or online with up to 8 players.
- 9
Voxel Crusade
Single-player alternative to Cube Kingdoms — playable solo, no multiplayer required. Shares Strategy and Indie with Cube Kingdoms.
RTS and RPG in one game! Build your castle and see it from the view of your villagers. Design your character - build and defend your castle - get an army - fight back