Youtube video Plank by Freeverse: "Balance the marbles on the plank by tilting left and right and roll them to match falling marbles of the same color. Make lines of 3 or more to score points and remove the marbles. Clear the marbles quickly or the weight will be too much for the plank and it will explode. Simple to learn yet totally different, accelerometer using gameplay. Watch out for all the amazing power-ups and specials, including the Shake smart bomb! Just as youre starting to panic, shake the device and one of your limited number of Shakes will destroy a whole line of marbles. Plank has three difficulty levels, from Normal to Nnnnaaaarghh! Features gorgeous steampunk style and action thatll make your friends lean in close."