Game difficulty setting added: Explore in peace or challenge yourself by giving your enemies the advantage. Choose from "easy", "normal", or "hard". Creative Mode defaults to "peaceful".

游戏难度设置：探索和平或挑战自己给你的敌人的优势。选择“容易”，“正常”，或“硬”。创意模式默认为“和平”。

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Click on a circle to flip over vertically and horizontally adjacent circles. when all the circle are same color you will be enter the next mission, game has three modes easy, normal, hard.

使全部的棋子颜色相同才能过关，游戏分成了普通，一般，困难能模式，还等什么呢？

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