Is Kakuro like Sudoku?
It shares the no-repeat rule, but adds arithmetic sums for each run.
Can digits repeat in different runs?
Yes, as long as they are not in the same horizontal or vertical run.
What is the smallest possible sum?
For a run of two cells, the smallest sum is 3 (1+2).
Do I need to be good at math?
Basic addition is enough. The real skill is using sums to limit digit choices.
Are there unique solutions?
Well-designed Kakuro puzzles have exactly one valid solution.
