Sudoku Blog
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News
Exploring the History and Global Origin of Sudoku
Sudoku wasn't invented in Japan. Discover the true story of how an American architect created it in 1979, how Japan transformed it, and how it conquered the world.
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News
Why Sudoku is a Logic Puzzle and Not a Math Game
Many people avoid Sudoku because they think it requires math. It doesn't. Here's the proof — including a letter-grid test — that Sudoku is pure logic.
Tutorials
Beginner's Guide to Sudoku
New to Sudoku? This guide walks you through the rules, the grid, your first moves, and the mistakes to avoid — everything you need to go from zero to solving.