The Books
Book 1: The Cookie Caper
70 fun logic puzzles for kids. Meet Detective Barkley and his animal friends, solve the mystery, and learn how chess pieces move along the way.
Fun logic puzzles for kids, inspired by chess. Join Detective Barkley and his animal friends to catch the sneaky cookie bandits!
Today's Puzzle
Can you catch the bandits?
A new puzzle every day. Use logic, just like the chess pieces, to find where the raccoon bandits are hiding.
Play Today's PuzzleMeet the Witnesses
Each animal sees the board like a chess piece. Learn how they move as you solve!
The MuttDetective BarkleyMoves like a King
The CatWhiskersMoves like a Rook
The OwlProfessor HootMoves like a Bishop
The FrogHopperMoves like a Knight
The ChickPeepMoves like a Pawn
The Queen BeeQueen BeaMoves like a Queen
The Game
Checkmutt for iPhone and iPad
- Tap any animal to see exactly which squares it senses.
- Seven chapters that teach how every chess piece moves.
- A Daily Case plus endless puzzles when you want more.
- Made for kids: no ads, no tracking.
How to Play
- Rocco and the Masked Bandits are hiding in the open grass squares. The puzzle tells you how many.
- Each witness shows a number: how many bandits it senses. Tap a witness to light up the squares it can see.
- Tap a square once to mark a bandit , and again to mark it clear . Tap a third time to erase.
- Use logic, not guesses. When every bandit is marked, tap Check to catch them. Checkmutt!
The Masked Bandits crouch low in the tall grass, so the witnesses can see right over them. Only trees and other animals block a view.
About Checkmutt
Checkmutt is a family of logic puzzles for kids. Each animal witness sees the board the way a chess piece moves, so while young detectives hunt for the cookie bandits, they quietly learn how the King, Rook, Bishop, Knight, Pawn, and Queen get around.
Every puzzle has exactly one answer and can be solved by logic alone, no guessing needed. This site has no ads, no tracking, no cookies, and no accounts. Just puzzles.