concentricholic.pngLogicalCell's puzzler ConcentricHolic requires knowing where and when to place colored pieces down to create a chain reaction, paying special attention to order of the different layers of each piece.

In the example above, you only get one chance to clear all the red and green pieces, but to get to them, you have to clear some the blue layers first. The first few stages will go quickly, but they help you get mentally prepared for what lies ahead. Getting good at ConcentricHolic will lead to advanced setups like this being possible:

You ready to think concentrically?

[Play ConcentricHolic online or download ConcentricHolic for Android]