Single-player games like Castle Master TD
Below are 8 single-player Steam games similar to Castle Master TD, 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 Castle Master TD page.
Ranked picks
- 1
Kingdom Rush 5: Alliance TD
Single-player alternative to Castle Master TD — playable solo, no multiplayer required. Shares Strategy and Indie with Castle Master TD.
While a formidable evil emerges, an unexpected alliance is taking shape! It will take the finest warriors of Linirea and the relentless Dark Army to stop it. Beware! Though they may journey side by side the ever-changing winds of fate could swiftly alter their course.
- 2
Castlewatch
Single-player alternative to Castle Master TD — playable solo, no multiplayer required. Shares Strategy and Indie with Castle Master TD.
Castlewatch is a classical Tower Defense Game
- 3
Epifrog
Single-player alternative to Castle Master TD — playable solo, no multiplayer required. Shares Strategy and Indie with Castle Master TD.
Use your hero, units, and structures to survive incoming waves of enemies! Explore the wilderness to gather rare resources and powerful artifacts. Beware of merciless U'mans attacking your Village and rough enemies wandering around the world.
- 4
Defend The Bits TD
Single-player alternative to Castle Master TD — playable solo, no multiplayer required. Shares Strategy with Castle Master TD.
An awesome 3D tower defence game created to give you days and days of the most fun TD game in town. Defend from hordes of Blocks with your mighty BIT heroes! armed with bows, axes, cannons and even frying pans.
- 5
Ruined Kingdom
Single-player alternative to Castle Master TD — playable solo, no multiplayer required. Shares Strategy and Indie with Castle Master TD.
Ruined Kingdom is a real-time strategy, Puzzle, RPG and reverse tower defense game. Defeat the insolent humans, control the battlefield, Defeat rival tribes! Take control of an army of Orcs fighting to conquer! Win and gain experience to unlock new upgrades and unique abilities.
- 6
Relic Guardian - Tower Defense
Single-player alternative to Castle Master TD — playable solo, no multiplayer required. Shares Strategy and Indie with Castle Master TD.
"Relic Guardian" is a fantasy style strategy tower defense game. As the builder on the battlefield, summon a variety of defense towers and spells with reliable hero companions to complete this epic and guarding adventure!
- 7
Dragon Rage
Single-player alternative to Castle Master TD — playable solo, no multiplayer required. Shares Indie with Castle Master TD.
Fast-paced destruction! Tear the #!@$ out of a mountain-top village as the King sends out his royal army to try to stop you and protect his kingdom. The more villagers you devour, the stronger you get. Fill your belly and enter Rampage Mode where you can unleash mass destruction!
- 8
Royal Defense
Single-player alternative to Castle Master TD — playable solo, no multiplayer required. Shares Strategy and Indie with Castle Master TD.
The castle needs a hero – hordes of trolls are surrounding it! Build towers, save money, learn spells - don't let the enemy in! Follow the exciting story of the dwarven kingdom's eternal struggle against the troll hordes, who want only to crush the dwarves and claim their territory.