Kakuro Grid: Cross Sums

Kakuro without guessing. Every puzzle in Kakuro Grid is proved to have exactly one solution and is solved end to end by the same logic engine that powers the hint button, before you ever see it. Cross sums, number crossword, kakkuro: the same puzzle, one fair app. WHY IT IS DIFFERENT • Verified, no guessing — every board has exactly one solution and can be finished by logic alone; the board says so • Hints that explain — the next step names the technique, marks the cells and says why, instead of handing you a digit • Mistake check in three tiers — a quiet indicator, the cells involved, or the rule you broke; each tier is your choice • Notes like on paper — candidates behave the way they do on the page, unlimited undo and redo, and a bookmark to try a branch and jump back • Combination helper — tap a clue and see every digit set for that length and sum, complete and never cut off • A…