Single-player games like Unknown TD
Below are 8 single-player Steam games similar to Unknown 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 Unknown TD page.
Ranked picks
- 1
Street Clean TD
Single-player alternative to Unknown TD — playable solo, no multiplayer required. Shares Strategy and Indie with Unknown TD.
Protect the streets from the living trash.
- 2
Asteroid Core
Single-player alternative to Unknown TD — playable solo, no multiplayer required. Shares Strategy and Indie with Unknown TD.
You are isolated on a small meteor and need to build a fire to escape before being destroyed by aliens. Use your limited space to create machines and obtain more and more resources. Enjoy this mix of puzzles, tower defense and incremental gameplay.
- 3
AntiVirus
Single-player alternative to Unknown TD — playable solo, no multiplayer required. Shares Strategy and Casual with Unknown TD.
Defend the CPU of your computer from the waves of virus invasions in this pixel-art tower defense game!
- 4
30 Days of Tower
Single-player alternative to Unknown TD — playable solo, no multiplayer required. Shares Strategy and Indie with Unknown TD.
By managing your tower during the day you prepare yourself for the dangers of the night, the king depends on you to dominate this territory. Will you be able to survive 30 days in this distant land?
- 5
Hex Tower Boogie
Single-player alternative to Unknown TD — playable solo, no multiplayer required. Shares Strategy and Indie with Unknown TD.
A tower defense where towers don't make their own bullets. You build the factory that feeds them: harvest ammo, route it through belts, and stack effects until a single shot homes, pierces, splashes AND one-shots the whole screen.
- 6
Permanence TD
Single-player alternative to Unknown TD — playable solo, no multiplayer required. Shares Strategy and Indie with Unknown TD.
Tower defense that will make you think
- 7
BOYKISSER IS COMING
Single-player alternative to Unknown TD — playable solo, no multiplayer required. Shares Strategy and Indie with Unknown TD.
A simple tower defense game where you need to protect your house from Boykissers
- 8
WOTT
Single-player alternative to Unknown TD — playable solo, no multiplayer required. Shares Strategy and Indie with Unknown TD.
"Get ready for a stylized arena experience where strategy meets speed in a fierce four-player battle! Conquer territories, manage resources, and outsmart your opponents to become the sole master of the arena. WOTT offers a fresh thrill in every match with its dynamic gameplay."