Single-player games like Siege of the Spire Towers
Below are 8 single-player Steam games similar to Siege of the Spire Towers, 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 Siege of the Spire Towers page.
Ranked picks
- 1
School Guard
Single-player alternative to Siege of the Spire Towers — playable solo, no multiplayer required. Shares Action and Strategy with Siege of the Spire Towers.
💼 You took this job to save your family. Now you have to survive it. 🔍 Scan students. 🚫 Confiscate contraband. 🏗️ Build your empire. 🌙 Patrol the night. But when the sun goes down, the school reveals what it's been hiding—🧟 zombies, 🔥 fire, and 👻 a ghost that never left.
- 2
Oddsparks: An Automation Adventure
Single-player alternative to Siege of the Spire Towers — playable solo, no multiplayer required. Shares Strategy and Indie with Siege of the Spire Towers.
Oddsparks is a blend of automation and real-time strategy for both the die-hard fans of the automation genre and the automation-curious. Explore a strange fantasy world, uncover the mysteries of the past, automate your workshops, and go on adventures with your odd & adorable Sparks!
- 3
Age of Mythology: Retold
Single-player alternative to Siege of the Spire Towers — playable solo, no multiplayer required. Shares Strategy with Siege of the Spire Towers.
Play as mythological Gods and smite your enemies in this award-winning, mythological Real-Time Strategy classic given new life. Wage war across timeless campaigns, fierce skirmishes, and god-powered multiplayer modes.
- 4
DSS 2: War Industry
Single-player alternative to Siege of the Spire Towers — playable solo, no multiplayer required. Shares Strategy and Simulation with Siege of the Spire Towers.
In this real-time grand strategy game, command armies, build cities, and manage a dynamic economy. Establish automated supply routes within your territory to streamline production. Fortify your defenses and brace for intense battles. Can you lead your empire to dominance?
- 5
Gord
Single-player alternative to Siege of the Spire Towers — playable solo, no multiplayer required. Shares Strategy and Indie with Siege of the Spire Towers.
Gord is a single-player adventure strategy. To survive, you must build, but to prevail, you must conquer the darkness beyond the gates. In this dark fantasy world, you must complete quests while managing a populace whose personal stories and well-being decide the fate of your tribe.
- 6
Here Comes The Swarm
Single-player alternative to Siege of the Spire Towers — playable solo, no multiplayer required. Shares Strategy and Indie with Siege of the Spire Towers.
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
Diplomacy is Not an Option
Single-player alternative to Siege of the Spire Towers — playable solo, no multiplayer required. Shares Action and Strategy with Siege of the Spire Towers.
Diplomacy is Not an Option is a strategy game set in a medieval fantasy world. Build your town and defenses, raise huge armies and fight against massive hordes of enemies. How long can you survive?
- 8
No Man's Sky
Single-player alternative to Siege of the Spire Towers — playable solo, no multiplayer required. Shares Action and Adventure with Siege of the Spire Towers.
No Man's Sky is a game about exploration and survival in an infinite procedurally generated universe.