Tap a square, then use the keypad. Tap the same keypad number again to turn it off. The four shaded 3×3 Hyper regions must also contain 1–9 once each.
Hints used0
Mistakes (from checks)0
Time (this puzzle)00:00
TodayPlayable
Rule clarity: Standard Sudoku rules apply. In addition, each of the four shaded 3×3 Hyper regions must also contain the digits 1–9 exactly once.
Visual clue: The extra Hyper regions are shaded and outlined inside the grid.