游戏玩法：
点击方块四个角落的圆点，相邻的方块数字都会减1，最终需要使得所有方块内的数字为0即可完成关卡。
注意：在游戏界面向左滑动执行撤销操作。
Features:
- Simple rules
- Hundreds of challenging levels (240 levels)
- Intuitive gameplay
- Beautiful, colorful, minimalist design.
Questions and suggestions? I would love to hear your feedback!
Email: [email protected]