Brain Idea Sudoku

Brain Idea Sudoku - You need to place 1 to 9 digits in each grid cell so that each number can only appear once in each row, each column, and each small grid. Game Features: - He world's most advanced sudoku - Five perfectly balanced difficulty levels - Endless collection of masterfully crafted puzzles - Auto-fill draft - Tip system for beginners - Expert color input system Download the game and start the digital challenge！