～ Japan's No. 1 free game on Appstore!! 1,000,000 downloads!! ～

■□～Challenge your brain～□■

More than 300 different problems - completely free!!
Can you make it to the [Final Stage]?

■How to play
You just have to [puzzle it to 10].

■What makes it special?
・Eight difficulty levels! (Intro 〜 Ultra Hell)
・More than 300 stages!
・[Time Attack] and [Time Attack -Hell-] to compete for time
・Compete with players around the world through [World Ranking]
・Release stress in [Paradise] zone

■Features you must try
・[Undo]: remake the last move
・[Retry]: restart a new game
・[Skip]: skip a difficult problem and jump to the next page