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 MuttMoves like a King
The CatMoves like a Rook
The OwlMoves like a Bishop
The FrogMoves like a Knight
The ChickMoves like a Pawn
The Queen BeeMoves 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.
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.