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Puzzle Chains
![Puzzle Chains](https://media.9game.cn/gamebase/20230729/14/30/7da0bb10af7741f4a098e37036c3bdec.jpg?x-oss-process=image/resize,w_120,m_lfit)
Help R-7 terraform the world in this fun math-based puzzle game. Match numbers and score bonus points while overcoming diabolical obstacles and challenges. Unlock levels, collect items and save the world.