Mini Sudoku - About Mini Sudoku is not 9×9 grid like you played. You can enjoy 4×4 or 6×6 grid Sudoku if you are beginner or sudoku veteran. - Concept / Why mini You can condense the enjoyment of the game because we make game “mini”. Ideal for play game without time and space. Even with mobile phone size I do not feel cramped on the board surface. - For smart device 　1. Conventional touch play : Conventional touch play : touch / select the square of grid, then touch the number under the board. 　2. Mini Sudoku play : Just drag the number onto the board. Stress less by cutting mobile phone touch number of times by 50%. - Stages Super volume 365 × 5 = 1825 stages!