Alien's Return (Atari 2600 - a2600)
An alien crashed on Earth and return to his planet, he must find four pieces of his spaceship. To find the part of merchant ships will have to enter a few numbers, and press the button. Hope that a piece of the ship will display in the corner. Take it and repeat the procedure until you can not go home. Beware of the guardians, they will follow you to catch you.