Sudoku Works 4 Kids Educational, entertaining and fun! Play Sudoku at 4 grid sizes and 4 levels of difficulty. Themes include world flags, food, smilies, shapes, colours. Print out games as worksheets. Fact files ... Cost: $13.95 Buy full version       Trial version       Publisher: Oak Systems     Descriptions Sudoku Works 4 Kids: Educational, entertaining and fun! Play Sudoku at 4 grid sizes and 4 levels of difficulty. Themes include world flags, food, smilies, shapes, colours. Print out games as worksheets. Fact files include background information for themes.