Spot 5 differences on 20 levels - Complete perfectly to remove adverts.
Can you complete all 20 levels with all three stars on every level? - if you so the adverts will be disabled woohoo ;-)
Listen to simple chill-out tunes whilst keeping your brain active and your eyes sharp!
Last updated on 2016年02月19日
此版本包含小幅錯誤修正和一般改善。請更新至最新版本，以獲得最佳體驗。
