Play Sudoku by filling a 9x9 grid with numbers 1-9. Choose difficulty levels for puzzles. Complete rows, columns, and 3x3 boxes without repeating numbers. Track progress and solve challenges to improve brain skills.
Test knowledge of , , and capitals with quiz mode. Practice with training exercises. View detailed information about each flag and country. Explore facts and learn about world geography.
Clear a grid by identifying mine locations using clues. Tap fields to reveal cells, tap numbers for neighbor hints, and hold to flag . Pull the header to view achievements. Track global rank, time, top score, and win streak.
Offers multiple puzzle variations. Users can solve with standard rules, jigsaw regions, even-odd constraints, hyper mode with extra squares, and X mode with diagonal requirements.