Free games like This Isn't Just Tower Defense
Below are 9 free-to-play Steam games similar to This Isn't Just Tower Defense, 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 This Isn't Just Tower Defense page.
Ranked picks
- 1
Bongo Cat
Free-to-play alternative to This Isn't Just Tower Defense — no purchase or trial window.
Bongo cat needs your help. Bongo cat needz more hatz!!! Every time you press a key, Bongo cat will punch your taskbar. Type, click, play, work to collect more points. Which hats will you find?
- 2
Indigo Park: Chapter 1
Free-to-play alternative to This Isn't Just Tower Defense — no purchase or trial window.
Explore the abandoned childhood wonder of Indigo Park! Guided by Rambley the Raccoon, help restore power to the destroyed amusement park while you run from the reason it shut down.
- 3
NGU IDLE
Free-to-play alternative to This Isn't Just Tower Defense — no purchase or trial window.
NGU Idle is a Free To Play Idle game that's full of weird humor, tons of upgrades and hundreds of hours of content! Try out NGU Idle today and experience the joy of Numbers Going Up!
- 4
Virtual Cottage
Free-to-play alternative to This Isn't Just Tower Defense — no purchase or trial window. Shares Casual with This Isn't Just Tower Defense.
Virtual Cottage gives you a comfy place to rest and be productive without any distractions. Open the game, set yourself a goal and enjoy the atmosphere.
- 5
Magic Archery
Free-to-play alternative to This Isn't Just Tower Defense — no purchase or trial window.
Train a commoner to become the greatest archer in this short incremental game! Increase your stats, gather wealth from quests, buy upgrades, and infuse your arrows with magic.
- 6
Coloring Pixels
Free-to-play alternative to This Isn't Just Tower Defense — no purchase or trial window. Shares Casual with This Isn't Just Tower Defense.
A relaxing coloring by numbers game. Enjoy completing a variety of images with differing themes, complexity, and sizes.
- 7
The Lab
Free-to-play alternative to This Isn't Just Tower Defense — no purchase or trial window.
Welcome to The Lab, a compilation of Valve’s room-scale VR experiments set in a pocket universe within Aperture Science. Fix a robot, defend a castle, adopt a mechanical dog, and more. Still not sold? It’s free!
- 8
DORONKO WANKO
Free-to-play alternative to This Isn't Just Tower Defense — no purchase or trial window. Shares Casual with This Isn't Just Tower Defense.
『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.
- 9
Idle Monster TD
Free-to-play alternative to This Isn't Just Tower Defense — no purchase or trial window. Shares Strategy and Casual with This Isn't Just Tower Defense.
An endless Tower Defense game of epic Monsters vs evil War Machines. Unlock and upgrade tons of unique elemental Monsters (Water, Air, Earth, and Fire) to defend your home from an infinite swarm of robots. Strategize the most effective placement of Monsters to synergize their elemental abilities.