What does this game practice?
Recommended age
Designed for children aged 5-8, with difficulty that scales level by level so younger players can start easy.
Explore by skill and age
How to play
- Fill each row, column and box with no repeats
- Start on the 4×4 beginner grid
- Use elimination to place the last numbers
Why kids like it
Kid-sized 4×4 and 6×6 boards make classic Sudoku reachable and rewarding.
Sudoku is the world's most popular logic training game! Simple rules with endless variations: each row, column, and box must contain non-repeating numbers. We designed three difficulties: 4×4 beginner (3+), 6×6 intermediate, 9×9 standard. Sudoku trains "logical reasoning" and "elimination thinking" - core abilities for mathematical proofs and coding debugging. Each Sudoku is a mini reasoning game, with completion satisfaction making kids love thinking! Timer feature tracks completion speed. Start logical thinking training at xiguasmart.top!
⏱️ 5-minute challenge
Can your child finish a 4×4 Sudoku with no mistakes?