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 ****

# Content
- 5 difficulty levels
- more than 500 levels

# Features
- "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

# Challenge
- Game Center Achievements
- Try to complete as many levels as possible