Now after 30 years is the game that could have been. Well not really as the cartridge would have been 32k and likely cost more than the console, but this is an impressive feat to say the least.
The Original 2600 Game
The Updated Version
Pretty impressive wizardry going on there, I think I would have wet myself if that's the game that came home with me back in the 80's. You can download the rom and play it to your hearts content using the fantastic Stella emulator.