Sum cages
Use each cage total alongside classic Sudoku rules to find the only fit.
Mindful Games · For iPhone and iPad
Every cage adds
a new clue.
Killer Sudoku combines the familiar 9×9 grid with sum cages. Use arithmetic and deduction together, choose a difficulty that fits your mood, and keep track of your progress.
01 / KEY CAPABILITIES
A sharper way to solve.
Four difficulty levels
Start gently or take on a more demanding grid.
Notes and progress
Mark candidates, continue a puzzle, and review your statistics.
Daily challenge
A ranked puzzle is available each day; competitive play uses Google Sign-In.
02 / GET THE APP
Ready for another layer of logic?
Available for iPhone and iPad