Learn Sudoku, one technique at a time.
Master the art of logical reasoning with these essential solving techniques. Progress from beginner to expert at your own pace.
Naked single
"This cell only has one candidate"
How to Play
The three rules of Sudoku, explained step by step for complete beginners.
Start here →Basic Singles
Master naked singles and hidden singles, the foundation of all Sudoku solving.
Open lesson →Locked Candidates
Pointing and claiming: use the intersection of boxes and lines to eliminate possibilities.
Open lesson →Naked Sets
When groups of cells share the same limited candidates, clear those numbers from the rest of the row, column, or house.
Open lesson →Reference
Sudoku Glossary
Essential terms and definitions for all solving techniques. Keep it open while you learn.
View Glossary →Go further
Want to Dive Deeper?
These fundamentals will get you started, but there's so much more to discover. For comprehensive tutorials and advanced techniques, check out these excellent resources.
Ready to Practice?
Put these techniques into action with thousands of graded puzzles. Intelligent hints will guide you through each step of your learning journey.
Start Learning with Magic Sudoku