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.
Solve puzzles by filling grid cells to match row and column totals with circle numbers. Choose difficulty levels from 4x4 to 9x9. Track solved puzzles and completion times. Complete puzzles daily for brain training.
Read and explore classical Chinese poetry with daily recommendations at 9:00 AM. Search poems by author, title, or line without internet. Support both simplified and traditional Chinese. Share favorite poems with friends.
