Ripple Effect - Same numbers cannot be close!

Ripple Effect is a logic puzzle with simple rules. The puzzle consists of a rectangular board divided into rooms. Ripple Effect features # Content- 5 different sizes of board- 5 difficulty levels- more than 500 levels# Features- Highlight wrong number automatically- Autosave the process of unfinished levels- Record best completion time for each level# Challenge- Game Center Achievements- Try to complete as many levels as possible