Cross Sums — How to play and useful tips
Deduce digits from crossing sums. Explore 60 puzzles and generated stages with notes and reasoned hints.
Controls
- Fill white cells with digits 1–9. The upper-right clue gives the sum to its right; the lower-left clue gives the sum below.
- Digits cannot repeat within one run. Prefilled digits are additional clues.
Playing tips
- Compare the selected cell’s crossing sums and remaining totals. Use notes to keep candidates.
Common questions
What makes this game different?
Automatic candidates and hints mark a clear as assisted.
Can I resume later?
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