Number Join - Connect every single number!

This game is a logic puzzle with simple rules. Your aim is to fill in the missing numbers, in sequential order, going horizontally or vertically only. 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