Free games like Polygons Tower Defense
Below are 8 free-to-play Steam games similar to Polygons 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 Polygons Tower Defense page.
Ranked picks
- 1
Bongo Cat
Free-to-play alternative to Polygons 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
STRAFTAT
Free-to-play alternative to Polygons Tower Defense — no purchase or trial window. Shares Action with Polygons Tower Defense.
STRAFTAT is a 1v1/2v2 ONLINE first person SHOOTER with quick rounds in over 350 MAPS ; Including all WEAPONS, proximity chat and 4 players FFA.
- 3
Counter-Strike:Global Offensive
Free-to-play alternative to Polygons Tower Defense — no purchase or trial window. Shares Action with Polygons Tower Defense.
Counter-Strike:Global Offensive (CS:GO) expands upon the team-based action gameplay that it pioneered when it was launched over 2 decades ago. CS:GO features new maps, characters, weapons, and game modes, and delivers updated versions of the classic CS content (de_dust2, etc.).
- 4
Travellin Cats in Paris
Free-to-play alternative to Polygons Tower Defense — no purchase or trial window. Shares Casual with Polygons Tower Defense.
Find 100 cats hidden in Paris, France in this cute hand-drawn hidden object game by Travellin Cats - the original viral hidden cat game creator!
- 5
The Lab
Free-to-play alternative to Polygons 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!
- 6
An Arcade Full of Cats
Free-to-play alternative to Polygons Tower Defense — no purchase or trial window. Shares Casual with Polygons Tower Defense.
Journey through gaming history's time and space, while searching for adorable feline companions in 'An Arcade Full of Cats,' the ultimate pet'em up hidden object game.
- 7
Control, I'm Not Coming Back
Free-to-play alternative to Polygons Tower Defense — no purchase or trial window.
Control, I'm Not Coming Back is a short and emotional narrative game about a lost astronaut searching for a reason to keep going forward while facing the emptiness of space. Inspired by the Hopecore aesthetic, it’s a story about positivism, friendship and our human connection with Voyager 1.
- 8
100 Asian Cats
Free-to-play alternative to Polygons Tower Defense — no purchase or trial window. Shares Action and Strategy with Polygons Tower Defense.
🏮🐈 100 Asian Cats - Join the cutest adventure in the Asia! 😻 🌸 Explore the charming hand-drawn artwork of Asian temples 🏯 as you embark on a quest to find 100 adorable cats hidden throughout the game. 🕵️♂️❌ Can you find them all? 🕵️♂️🐈✅