Single-player games like Guard the Tower!
Below are 8 single-player Steam games similar to Guard the Tower!, 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 Guard the Tower! page.
Ranked picks
- 1

League TD
Single-player alternative to Guard the Tower! — playable solo, no multiplayer required. Shares Strategy with Guard the Tower!.
"League Tower Defense" is a strategy tower defense game that combines unique defense towers and various upgradeable components to unleash different attack effects. Come and build your perfect defense line.
- 2

Dangerous Land
Single-player alternative to Guard the Tower! — playable solo, no multiplayer required. Shares Strategy and Early Access with Guard the Tower!.
Dangerous Land is a first-person strategic game enriched with elements of exploration and action. Assume the role of the ruler of your settlement, manage and develop it in real-time, recruit and upgrade units, take care of resources, and participate in epic battles.
- 3

Little Kingdom RTS
Single-player alternative to Guard the Tower! — playable solo, no multiplayer required. Shares Strategy with Guard the Tower!.
Little Kingdom RTS is an indie real-time strategy game set in a medieval fantasy world. Gather resources, build settlements, raise walls, and grow your small kingdom. Command an army of knights, archers, and mages to fight off rival kingdoms, orcs, and undead.
- 4

Pact of Steel
Single-player alternative to Guard the Tower! — playable solo, no multiplayer required. Shares Strategy and Early Access with Guard the Tower!.
A WW2 Tower Defense game, with minor aspects of an RTS game.
- 5

From Glory To Goo
Single-player alternative to Guard the Tower! — playable solo, no multiplayer required. Shares Strategy and Early Access with Guard the Tower!.
From Glory To Goo is a Sci-Fi survival RTS set on an alien world. Serve as humanity's bulwark by establishing a colony and supporting your colonists still in orbit. But beware, for The Goo, a relentless and shape-shifting force approaches from all sides, even above and below.
- 6

Diplomacy is Not an Option
Single-player alternative to Guard the Tower! — playable solo, no multiplayer required. Shares Strategy and Adventure with Guard the Tower!.
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?
- 7

Age of Empires IV: Anniversary Edition
Single-player alternative to Guard the Tower! — playable solo, no multiplayer required. Shares Strategy with Guard the Tower!.
Celebrating its first year of delighting millions of global players, the award-winning and best-selling strategy franchise continues with Age of Empires IV: Anniversary Edition, putting you at the center of even more epic historical battles that shaped the world.
- 8

Thronefall
Single-player alternative to Guard the Tower! — playable solo, no multiplayer required. Shares Strategy with Guard the Tower!.
A minimalist game about building and defending your little kingdom.