Solve puzzles by filling grids with digits. Enter numbers in rows and columns to match clues. Avoid repeating digits in any row or column. Access a large library of free puzzles. Track progress and restart puzzles.
Blocks to clear rows or columns at your own pace. Play offline with no time limits. Adjust positions freely without pressure. Unlock new levels and challenges. Track progress and revisit previous puzzles.
Play against player or online. Choose from easy, medium, or hard difficulty. Track statistics and sync progress through Game Center. Supports VoiceOver for accessibility.
The app presents users with single-digit math questions involving prime numbers. Users aim to answer as many questions as possible within a 60-second time limit to train their brain.
Solve puzzles by placing numbers 1-9 in grids. Ensure no repeated numbers in rows, columns, or mini-grids. Track progress and complete puzzles of varying difficulty levels.