Select 3 neighbouring Orblez and get the wanted value, by using the 4 basic arithmetic operations (+) plus, (-) minus, (*) multiply, (:) divide.
If there is a valid solution, you get points and additional time and the used Orblez will be removed.
Bigger target values and bigger used Orblez result in bigger points and more time.
The game do not need an internet connection. Its only needed to download the game itself.
Have fun!