Apps

After Let’s IQ Nonogram (2013) and Let’s IQ Campixu (2019), we have launched a brand new game in 2025: Kestli.

Kestli

Beautiful, enchanting puzzles

Challenging yet relaxing puzzles ... ... which sometimes seem impossible ... ... reward you with deeply satisfying solutions! Various puzzles and puzzle packs ... ... as well as daily puzzles will captivate you!

iOS: iPad & iPhone

Kestli for iPad and iPhone.
Now available on the App Store!
Download on the App Store

Android

Kestli for all smartphones and tablets running Android.
Now on Google Play!
Get it on Google Play

Let’s IQ Campixu

First and only app with color Campixu puzzles

Discover the hidden pictures through numbers, regions and pure logic! High quality puzzles from small to large Optimized for touch, mouse and pen Create and publish your own Campixus! Many free puzzles made by other Campixu fans! With two useful counting modes

Windows

Let’s IQ Campixu for all PCs, notebooks and tablets with Windows 10 / 11, playable with touch/finger, mouse or pen (where available).
Download from Windows Store

iOS: iPad & iPhone

Let’s IQ Campixu for iPad and iPhone.
Now available on the App Store!
Download on the App Store

Android

Let’s IQ Campixu for all smartphones and tablets running Android.
Now on Google Play and the Amazon Appstore!
Get it on Google Play Available on Kindle Fire

Let’s IQ Nonogram

Find the hidden pictures by pure logic! High quality Nonograms from small to large can be found in the library. The counting mode helps you find overlappings of blocks. Let’s IQ Nonogram is optimized for all input modes: touch, mouse and pen! You can also play Nonograms created by other puzzle fans. You can even create your own Nonograms!

Windows

Let’s IQ Nonogram for all PCs, notebooks and tablets with Windows 10 / 11, playable with touch/finger, mouse or pen (where available).
Download from Windows Store

iOS: iPad & iPhone

Let’s IQ Nonogram for iPad and iPhone.
Now available on the App Store!
Download on the App Store

Android

Let’s IQ Nonogram for all smartphones and tablets running Android.
Now on Google Play and the Amazon Appstore!
Get it on Google Play Available on Kindle Fire