A fun game I discovered recently, minim. In each level you start out with a network of numbered nodes, and the object is to successively combine the nodes according to certain mathematical rules in order to end up with only a single node. The levels start out easy but get fiendishly difficult by the end. My only complaint is that it isn’t possible to make up your own custom levels.

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### Meta

What a great game!! Other than the fact that is makes me SUPER unproductive.