SUM+SUM is the ultimate math-logic puzzle where every number counts! Your mission? Select the right tiles to match the target sums flanking the grid. Mark the numbers you want to keep, flag the ones to discard, and easily reset cells to rethink your strategy. To win, every row and column must hit their exact totals simultaneously. Crush levels to rake in gold, unlock epic loot crates, and blast through the toughest puzzles with handy hints!