Killer Sudoku combines classic Sudoku rules with cage-based arithmetic. Fill the 9x9 grid so each row, column, and 3x3 box contains digits 1-9. Dotted cages must sum to the displayed number, with no repeating digits within a cage.
DAILY PUZZLES
Three new puzzles every day across Easy, Medium, and Hard difficulties. Track your progress and share your results.
UNLIMITED FREE PLAY
Four difficulty levels from Easy to Expert. No timers, no energy systems, no "come back tomorrow" restrictions. Play as many puzzles as you want.
HELPFUL TOOLS
• Pencil marks for noting possible values
• Hints when you need a nudge
• Undo and redo your moves
• Pinch to zoom for detailed work
CUSTOMIZABLE EXPERIENCE
• Highlight same numbers across the grid
• Highlight row, column, and box regions
• Highlight the entire cage when selecting
• Show errors instantly or play without assistance
• Auto-remove pencil marks when placing values
• Light and dark themes with multiple color schemes
NO ADS, NO TRACKING
This app is completely ad-free. No banner ads, no video rewards, no interruptions. Your data stays on your device.
Independently developed with care.