Swap letters to uncover hidden words on the board. Solve puzzles by rearranging letters within a limited number of swaps. Difficulty increases with each level. Track progress and attempt endless puzzles.
Solve puzzles with a puzzle generator creating unique puzzles from 5x5 to 20x20 in three difficulty levels. Autodetect errors and completion. Use unlimited undo. Access clean, intuitive interface. No ads or microtransactions.
Solve puzzles by filling a grid with numbers that add up to given clues. Each row and column must contain unique digits. Complete the grid by ensuring all sums match clues and no duplicates exist in any sum.