To begin game, press enter.
Rules:
All those who pass through the gate must transmit an accepted code to the space gatekeeper.
Travelers with correct codes are allowed to pass through the gate. Use the Purple button to pass people through the gate.
Those who fail to present the proper codes will be turned away or destroyed. Use the blue button to turn people away. Use the red button to blow them up.
There is a bonus code that is illegal and all ships using this bonus code will give you extra points when you blow them up.
However, there is a penelty for blowing up people not using the illegal code. Do your best to turn away people not using the illegal code.
Good luck, and get as many points as you can.