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The rearrangement will leave you pulling your hair, because it is really tough. Unblock Me, is a game where you must rearrange a number of blocks in a given space so as to make an exit path for one of the red colored blocks. If you are up for a challenge please check out this colorful app. There’s also time trial where you connect as many dots as possible in the same way as above, in the given time. And of course the difficulty increases as levels progress. There are only so many ways in which you can do that. Also you have to cover the entire board with pipes, with no area left uncovered.
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In this addictive game you have to connect two dots of same color using pipes.
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Flow free is another popular heavy-weight in the puzzles category.
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