Classroom developed your thinking abilities. Do your best to break square blocks and cubes as quickly as possible. However, before each next move, think about which block should be removed first in order to completely clear the field in the end. If you make a combo, then all the blocks will explode. For each successful move you will receive points. I wonder what is the maximum record you can set? The logic puzzle is not so simple as it may seem to you at the first levels.