The left and right arrow keys will allow you to move
The space key fires your laser
The C (left), V (middle), and B (right) keys corrospond with an answer in the answwer array.
Enemy ships will appear one at a time at the top of the screen. Each ship will contain a math problem.
Each math problem will come with 3 possible answers that will appear in an array in the top center of the console at the bottom of the screen
To choose an answer press the corrosponding key. C (left), V (middle), and B (right). The chosen answer will appear in a box below the array.
If the answer is correct the enemy will be destroyed when you fire your laser at it, if the answer is incorrect the laser will have no effect.
The goal is to destroy as many enemies as possible before the timer runs out.