Hard Killer Sudoku
Six digits and nothing else. Cages run to four cells, and progress comes from combining what a total can be with what a row still needs.
Hard Killer Sudoku
Cages and the totals they add up to. Expert starts empty; the easier levels place a few digits for you.
Difficulty:
Arrows move · 1–9 fill · N notes · H hint · ⌘/Ctrl+Z undo
Mistakes0/3
Time00:00
Loading…
Tap a cell, then a number. Notes toggles pencil marks.