Only 3583 bytes

… and the program file size of this new gem of a video game, pulse, suggests there’s a few more bytes free that could be exploited.  😆

But that’s how much “free” RAM came with a stock Commodore VIC 20, like the one I was fortunate to own in early 1982.  Playing this not only brings you back to a simpler time, but it would have been that cracking video game, standing out head and shoulders among the dozens of lackluster titles getting pumped out at the time.  You just have to appreciate the brand of software engineering that goes into this tiny gem.  😎

Here’s a quick 60-second emulator clip of it in action: