The block at the bottom is stationary, so you only need to rotate around it, but the two above are spinning in different directions, requiring perfect timing as you rotate past them.
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One hit means you start over
When you make a mistake and either the blue or red dot hits a block, the game will rewind back to the beginning of the level so you can give it another shot.
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Tricks of the trade
You'll quickly learn that blocks that come next to each to other, like this pair, can be passed by rotating counterclockwise around both.
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Settings
You can toggle the music, sound effects, or soundtrack, but if you want a completely different look, you can invert the colors. I found the default white on black to be the easiest on the eyes.
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Go for the high score
Play endless mode to see how long you can last against random groupings of blocks. You can also compare your score with those of other people around the world via Apple's Game Center.
