-You can erase same cake which are connected vertical or horizontal, as you click them. If there are pieces over the erased pieces, they will drop down
. If all pieces on the vertical line are erased, all pieces on the right side will slide left.
The score is ([the number of erased pieces] * ([the number of erased pieces) * 5. Therefore, connect same pieces as more as you can, and erase them at a time, so that you can aim the higher score.