This game is a logic puzzle with simple rules. Your aim is to fill in the missing numbers, in sequential order, going horizontally, vertically, or diagonally.
**** Features ****
- 5 difficulty levels
- more than 500 levels
- "Check" function can highlight wrong numbers
- option to enable automatically highlight wrong numbers
- Auto-save the process of unfinished levels
- Record best completion time for each level
- Game Center Achievements
- Try to complete as many levels as possible