Solve a Normal Sudoku in less than 4:00
Solve an Easy Sudoku in less than 1:30
Solve a Challenging Sudoku in less than 8:00
Solve a Master Sudoku in less than 12:00
Play 10 games
Play 7 days in a row
Play 100 games
Play 1000 games
Solve 100 easy sudokus
Solve 10 easy sudokus
Solve 500 easy sudokus
Solve 10 normal sudokus
Solve 300 normal sudokus
Solve 100 normal sudokus
Solve 10 challenging sudokus
Solve 50 challenging sudokus
Solve 10 master sudokus
Solve 250 challenging sudokus
Solve 50 master sudokus
Solve 200 master sudokus
Show solution 10 times
Abandon game 20 times
Start over 20 times
Use "undo" 500 times
Collect numbers in order from 1 to 9 on level Challenging or Master
Reach 100 hours of play