Practice📖 Learn the rule first ▸
Sums & dots
Killer Cages
Cage digits sum to the clue and never repeat inside the cage.
Tips
- ◆A cage's digits sum to its clue and are all different.
- ◆A 2-cell cage of 3 must be 1-2; a 2-cell cage of 17 must be 8-9.
- ◆45 rule: every row, column, and box totals 45 — use it to read cages.
Drills