Atari 2600 Game
Year of Release:1982
This game was a prototype Atari 2600 game by Imagic that was never released. There are a few copies of it floating around (but not many).
This game is a Blimp piloting game with very colorful graphics.
Prototype games like Sky Patrol are the Holy Grail as far as rare Atari Games go. Nothing is harder to find than these.
The value of this prototype is unknown.