Playtime Blocks - Arnold the Cat in action

Help Cat Arnold solve the case

A mini-crime story to participate in, with many riddles and puzzles

Cat Arnold is back from his relaxing holiday at the cattery, but his friend Cat Elsa has suddenly disappeared without a trace! As if that wasn't mysterious enough, her owner is also found dead in the forest.

Become part of this exciting hunt for the truth! Cat Elsa is counting on you!

Are you a crime fan? Do you enjoy solving puzzles?

Then the Cat Crime Notepads are just the thing for you!

Together with Cat Arnold, you will solve criminal cases in the neighborhood. Together you will eavesdrop on potential witnesses, follow clues, and investigate suspects. But that's not all – while you solve the cases together, you will also have to solve some tricky puzzles.

Exciting adventures await you!

If you want to solve the cases chronologically - start with the purple notepad.