Play the japanese puzzle game killer sudoku / sum sudoku in your windows computers. This freeware game Includes 30 free killer sudoku puzzles. Killer sudoku puzzles are more challenging than normal sudoku puzzles. Its a blend of kakuro and sudoku. Sudoku for people who can count.

Easy to use yet powerful free sudoku game. Hours of fun for beginners and experts alike. Generates normal, monster, killer and chaos sudokus or any combination thereof from size 4x4 to 30x30. Hints, tips and help available. Practice mode teaches all well known sudoku techniques. Fast high quality engine only uses logical techniques.