Daily Medium Killer Sudoku

The daily medium killer sudoku is the sweet spot for the cage-sum variant: cages average 2-3 cells, sums constrain enough digits to make every move feel earned, and a typical puzzle finishes in 15-25 minutes with steady technique. A fresh puzzle every visit means the daily killer never repeats. You'll lean on cage-combination tables (a 3-cell cage summing to 7 is {1,2,4}; a 4-cell summing to 30 is {6,7,8,9}) and the 45 rule — every row, column, and box sums to 45 — to identify innies and outies across partially-covered boxes. The medium tier is where killer sudoku graduates from puzzle to practice; daily play here is the fastest way to build the cage-combination muscle memory that the hard and expert tiers demand. Create a free account to save your daily medium killer times and see your speed sharpen.