Free games like Not Not 2 - A Brain Challenge
Below are 8 free-to-play Steam games similar to Not Not 2 - A Brain Challenge, 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 Not Not 2 - A Brain Challenge page.
Ranked picks
- 1
Bongo Cat
Free-to-play alternative to Not Not 2 - A Brain Challenge — 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 Not Not 2 - A Brain Challenge — 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
Travellin Cats in Paris
Free-to-play alternative to Not Not 2 - A Brain Challenge — no purchase or trial window. Shares Casual with Not Not 2 - A Brain Challenge.
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!
- 4
Coloring Pixels
Free-to-play alternative to Not Not 2 - A Brain Challenge — no purchase or trial window. Shares Casual with Not Not 2 - A Brain Challenge.
A relaxing coloring by numbers game. Enjoy completing a variety of images with differing themes, complexity, and sizes.
- 5
The Lab
Free-to-play alternative to Not Not 2 - A Brain Challenge — 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 Not Not 2 - A Brain Challenge — no purchase or trial window. Shares Casual with Not Not 2 - A Brain Challenge.
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
100 Asian Cats
Free-to-play alternative to Not Not 2 - A Brain Challenge — no purchase or trial window.
🏮🐈 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? 🕵️♂️🐈✅
- 8
Floating Point
Free-to-play alternative to Not Not 2 - A Brain Challenge — no purchase or trial window. Shares Casual with Not Not 2 - A Brain Challenge.
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.