Free games like AsteroidTD
Below are 8 free-to-play Steam games similar to AsteroidTD, ranked by player overlap and content similarity. No purchase or Steam login required to view the list. Every pick is a full free-to-play title — not a demo, trial, or time-limited giveaway. imho.run's catalogue refreshes daily, so newly free or newly popular titles surface here without manual editing.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like AsteroidTD page.
Ranked picks
- 1

Ultimate Custom Night
Free-to-play alternative to AsteroidTD — no purchase or trial window. Shares Action and Indie with AsteroidTD.
Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!
- 2

Awaria
Free-to-play alternative to AsteroidTD — no purchase or trial window. Shares Action and Indie with AsteroidTD.
Awaria is a short game about working in haunted maintenance tunnels.
- 3

The Expendabros
Free-to-play alternative to AsteroidTD — no purchase or trial window. Shares Action and Indie with AsteroidTD.
The Expendabros have assembled and set their sights on the forces of ruthless arms dealer Conrad Stonebanks in the forests of Eastern Europe.
- 4

Iron Snout
Free-to-play alternative to AsteroidTD — no purchase or trial window. Shares Action and Indie with AsteroidTD.
Iron Snout is a fast, colorful and brutal fighting game in which you will be helping a piglet fight for its life against hordes of wolves.
- 5

DORONKO WANKO
Free-to-play alternative to AsteroidTD — no purchase or trial window. Shares Action with AsteroidTD.
『DORONKO WANKO』 is a DORONKO Action Game. In this game, You can become a cute, innocent Pomeranian, make your master's home messy and dirty. "Will the master be angry with me?" Don't worry. Because you are a sweet doggie.
- 6

Floating Point
Free-to-play alternative to AsteroidTD — no purchase or trial window. Shares Indie with AsteroidTD.
Floating Point is a peaceful, free game about using a grappling hook to swing yourself gracefully through randomly generated spaces. The only objective is to collect points, and the only thing that increases your points is swinging swiftly, smoothly and elegantly without hitting anything.
- 7

Samorost 1
Free-to-play alternative to AsteroidTD — no purchase or trial window. Shares Indie with AsteroidTD.
Explore the beginnings of the Samorost series in the space gnome’s original bite-sized adventure, formerly released in 2003. Now with remastered sounds, enhanced graphics, and new music by Floex.
- 8

Die in the Dungeon: Origins
Free-to-play alternative to AsteroidTD — no purchase or trial window. Shares Strategy and Indie with AsteroidTD.
Fight your way through a mysterious dungeon in this deck-building, turn-based roguelike game where you don't use cards, but DICE! Deal with enemies by combining dice on your board, boost their effects with magical relics, and discover the story behind Die in the Dungeon!