Single-player games like Defense Tower Simulator
Below are 9 single-player Steam games similar to Defense Tower Simulator, 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 Defense Tower Simulator page.
Ranked picks
- 1

Endorfire Tower Defense
Single-player alternative to Defense Tower Simulator — playable solo, no multiplayer required. Shares Action and Strategy with Defense Tower Simulator.
Place your towers to defend yourself against the onslaught of enemies, collect gems to upgrade your towers, and vanquish the evils back to where they came!
- 2

Defenders Glory
Single-player alternative to Defense Tower Simulator — playable solo, no multiplayer required. Shares Strategy and Indie with Defense Tower Simulator.
Defenders Glory is a Fantasy Tower Defense game with simple but deep gameplay elements: Simple mechanics that allow for near-infinite ways to be applied, allowing it to be suitable to anyone, beginners can just sit down and play, while Veterans can constantly improve themselves and their tactics.
- 3

Lord Clicker
Single-player alternative to Defense Tower Simulator — playable solo, no multiplayer required. Shares Action and Strategy with Defense Tower Simulator.
Lord Clicker combines Clicker and Tower Defense in one game. Click to accumulate gold coins and make your choice: buy populace to generate wealth on your behalf, or hire men to defend your village.
- 4

西游记2021
Single-player alternative to Defense Tower Simulator — playable solo, no multiplayer required. Shares Strategy and Indie with Defense Tower Simulator.
This game takes Sun Wukong, Tang monk, pig Bajie, sand monk and little white dragon as the protagonists. It tells the story of their journey to the west to learn scriptures, going through difficulties and dangers, subduing demons and subduing demons, and finally obtaining the Scriptures.
- 5

Medievaly: Battle Simulator
Single-player alternative to Defense Tower Simulator — playable solo, no multiplayer required. Shares Action and Indie with Defense Tower Simulator.
Feeling Medievaly? Travel to the most vibrant version of the Dark Ages yet to defend your kingdom from encroaching enemies! Devise creative strategies, manage resources, and enjoy a dynamic simulated medieval battlefield where every decision matters and the unexpected will always happen!
- 6

Ajax’s Trial
Single-player alternative to Defense Tower Simulator — playable solo, no multiplayer required. Shares Action and Strategy with Defense Tower Simulator.
Legendary Hoplite: Ajax's Trial is the prologue version of Legendary Hoplite, a game that combines Tower Defense and Action RPG genres. In this game, you'll need to build fortifications, upgrade your army, and create your own unique strategy to fight off hordes of monsters across 7 levels.
- 7

Legendary Hoplite: Arachne’s Trial
Single-player alternative to Defense Tower Simulator — playable solo, no multiplayer required. Shares Action and Strategy with Defense Tower Simulator.
Legendary Hoplite: Arachne’s Trial is a combination of Tower Defense and Action RPG. Upgrade your army, get the best gear, and craft unique strategies across 10 levels. Face Arachne, and seamlessly transfer progress to the main game.
- 8

God of Failure
Single-player alternative to Defense Tower Simulator — playable solo, no multiplayer required. Shares Strategy and Indie with Defense Tower Simulator.
Defend your castle from the orcish chavs, lure them into your traps and destroy them.
- 9

Zombie Apocalypse 2021
Single-player alternative to Defense Tower Simulator — playable solo, no multiplayer required. Shares Action and Indie with Defense Tower Simulator.
Zombie Apocalypse 2021 is a fast old-school shooting game in platformer style. Kill all zombies and protect your city in this super fast game!