Kakuro Minis
Small number-crossword puzzles where each row and column must hit a target sum without repeating digits.
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Puzzle Garden
Mathematical puzzles that make the route feel as satisfying as the answer.
This page is focused on three puzzle tools: Five Lines, Kakuro Minis and Number Trails. Each one should feel complete, replayable and satisfying to solve.
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Five Lines Coin Puzzle
Arrange ten draggable coins into five lines of four, then try the extension: six lines of three.
Open puzzleNumber Trails
Follow a path through a grid using rules such as primes, square numbers, factors or multiples.