You are invited to your laboratory by Professor Opticus and his charming assistant Sofia. They urgently need an assistant to set up complex experiments with light rays. If you go through all the levels in the game Optika, consider that you are accepted to the prestigious place. In order not to blunder, take a short training course, where you will be prompted how to handle lenses and other reflective surfaces. In the laboratory, you will deal with powerful rays of different power, they should be handled carefully, so as not to burn yourself. Remember the laws of physics and include logic, you will need it to solve all the problems posed by a cunning professor.