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
Kingdom Rush - Tower Defense
Single-player alternative to Defense Tower Simulator — playable solo, no multiplayer required. Shares Strategy with Defense Tower Simulator.
Get ready for an epic journey to defend your kingdom against hordes of orcs, trolls, evil wizards and other nasty fiends using a vast arsenal of towers and spells at your command!Fight on forests, mountains and wastelands, customizing your defensive strategy with different tower upgrades and specializations!
- 2
Stronghold: Definitive Edition
Single-player alternative to Defense Tower Simulator — playable solo, no multiplayer required. Shares Strategy and Simulation with Defense Tower Simulator.
Greetings sire! Your stronghold awaits you. Build a castle economy, besiege unforgettable villains and return to the 'castle sim' that started it all. Experience this classic RTS with upgraded visuals, modernised gameplay, Steam multiplayer and a new campaign.
- 3
Touhou Monster TD ~ 幻想乡妖怪塔防
Single-player alternative to Defense Tower Simulator — playable solo, no multiplayer required. Shares Action and Strategy with Defense Tower Simulator.
Easy to learn but hard to master, Touhou Monster TD is a unique Tower defense Game. Control your character, level up and unlock tower skills and character talents, use your wisdom to defeat incoming enemies. Travel the Gensokyo, find out why the “Incident” happened this time.
- 4
Orcs Must Die!
Single-player alternative to Defense Tower Simulator — playable solo, no multiplayer required. Shares Action and Strategy with Defense Tower Simulator.
Slice them, burn them, skewer them, and launch them - no matter how you get it done, orcs must die in this fantasy action-strategy game from Robot Entertainment.
- 5
Planet TD
Single-player alternative to Defense Tower Simulator — playable solo, no multiplayer required. Shares Strategy and Indie with Defense Tower Simulator.
6 different types of towers! 4 planets with different characteristics! 25 different enemies. Drones, Tanks, Biorobotic enemies and many different ground and air vehicles! Snowy and Glacial maps, Desert and Arid lands! Prepare to defend the solar system against invaders!
- 6
Defender's Quest 2: Mists of Ruin
Single-player alternative to Defense Tower Simulator — playable solo, no multiplayer required. Shares Strategy and Indie with Defense Tower Simulator.
Rise above the Mirk and protect your ship from dangers unknown in the latest entry in the classic Defender’s Quest tower defense series!
- 7
Deathtrap
Single-player alternative to Defense Tower Simulator — playable solo, no multiplayer required. Shares Action and Strategy with Defense Tower Simulator.
Deathtrap is a Tower Defense game with strong action-RPG elements, a game of vicious tricks, killing machines, rotating blades and splattering blood.
- 8
Castle Doombad Classic
Single-player alternative to Defense Tower Simulator — playable solo, no multiplayer required. Shares Strategy with Defense Tower Simulator.
BE THE VILLAIN and slay any hero who dares enter your dark domain! Deck out your castle with traps and minions as the ultimate diabolical dungeon keeper in this strategy / TD puzzler. Includes the original Castle Doombad game, rebuilt and remastered, plus brand new content.
- 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!