Single-player games like Idle Towers
Below are 9 single-player Steam games similar to Idle 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 Idle Towers page.
Ranked picks
- 1
Bulwark
Single-player alternative to Idle Towers — playable solo, no multiplayer required. Shares Strategy and Indie with Idle Towers.
Bulwark is a medieval-themed 2D pixel tower defense game with a dynamic block-based building system. Construct and fortify your castle, manage resources, and recruit troops to defend against waves of enemies. Build, strategize, and adapt in this unique blend of fortress construction and combat.
- 2
The Unearthened - Complete Edition
Single-player alternative to Idle Towers — playable solo, no multiplayer required. Shares Strategy and Simulation with Idle Towers.
Build & defend a small remote mining base on Taichin XI from the alien hordes. Deploy defenses, upgrade your turrets and get ready for the nightfall. The Unearthened is a classic Idle Tower Defense game where you build towers and prepare for the invasion.
- 3
Conan Unconquered
Single-player alternative to Idle Towers — playable solo, no multiplayer required. Shares Strategy with Idle Towers.
From the Command & Conquer veterans at Petroglyph comes the first ever survival RTS set in the savage world of Conan the Barbarian. Play solo or team up in multiplayer in Conan Unconquered’s action-packed co-op Mode where you build a shared stronghold and fend off the hordes together.
- 4
Gladiator Guild Manager
Single-player alternative to Idle Towers — playable solo, no multiplayer required. Shares Strategy and Indie with Idle Towers.
A strategic autobattler sim where you build a team of gladiators, compete in arenas, plan fight tactics, and form alliances. Combine fighters, beasts, and mages, develop and equip them to optimize your well-oiled fighting machine, dominate the championships, and leave your mark on the world.
- 5
Lazy Galaxy 2
Single-player alternative to Idle Towers — playable solo, no multiplayer required. Shares Strategy and Indie with Idle Towers.
Lazy Galaxy 2 is an idle/clicker game with base-building and RTS elements. Lead an evil (albeit lazy) alien race to conquer the universe! Expand your base, fight vicious foes, and conquer the galaxies. Acquire combat experience and convert into candy, the most precious alien resource!
- 6
Phoenix Hope
Single-player alternative to Idle Towers — playable solo, no multiplayer required. Shares Strategy and Indie with Idle Towers.
Phoenix Hope is a pixel art 2D real-time, side-view strategy game in which you must develop your colony during the day and repel waves of monsters at night.
- 7
Grim Nights
Single-player alternative to Idle Towers — playable solo, no multiplayer required. Shares Strategy and Indie with Idle Towers.
Your village must survive for 13 days! Gather resources, expand, explore the underground for riches, and train soldiers to defend against hordes of the undead.
- 8
They Are Billions
Single-player alternative to Idle Towers — playable solo, no multiplayer required. Shares Strategy with Idle Towers.
They Are Billions is a Steampunk strategy game set on a post-apocalyptic planet. Build and defend colonies to survive against the billions of the infected that seek to annihilate the few remaining living humans. Can humanity survive after the zombie apocalypse?
- 9
Cubidle
Single-player alternative to Idle Towers — playable solo, no multiplayer required. Shares Indie and Simulation with Idle Towers.
An idle clicker game with prestige, perks, interest, evolving system, difficulty tiers, ranking and many other features!