The shape at the top is made of cubes, and no cube is hidden. One of the four drawings below is the same shape, only turned. The others are its mirror image or a slightly different shape, turned as well. Pick the same shape.
3:00 on the clock, and it only runs while a question is on screen.
Questions get harder as you answer correctly and easier when you miss.
You start at the first level.
A right answer scores the question's points; a wrong one costs half as many. Guessing does not pay.