China (Mainland) Sudoku

Specifications: Sudoku is a simple pocket-size digit puzzle. The 9X9 board has its own fascinating world of logics. There is so much fun in simply putting single-digit numbers (from 1 to 9) on the board!

FEATURE * chic design * trendy outlook * user friendly * ultra-light weight * pocket-size * more than millions of built-in grids * skill level adjustment * time counting * high score record THE RULE Only on simple rule: sill int he grid so that * every row * every column, and * every 3X3 box contains the digits 1 to 9