Sudoku, a fascinating game but also a software for you : SUDOKU1 @NKH 2013. Grid generation, game, solution proposal, search of all solutions, score. Grids 4x4 to 16x16. Varients. For Children and Expert. A software to play on its PC and stretch neurons. Sudoku1 is a Sudoku freeware for Windows PC. It includes: - Grids of size 4x4 to 16x16 - Up to 12 grids linked simultaneously - Grid Generation - Grid Scan - Optimisation of Grid to get worst difficulty - More than 50 Variants - Catalog of More than 2000 grids with the ones form Word Championships 2006 to 2013. - 7 Game Play Modes (Championship, Kids, Triple, Quick, Rapidoku,...) - Display for Kids with Animated Images - All solutions of the Grid - Help you to solve your grids