What can you do with 3.5K ?

Well, I created very much nothing with 3.5K. And most of us, have done the same. But there is SteveMcCrea. What a man. He created a raycasting first-person dungeon crawler with RANDOM LEVELS, for the VIC-20 out of 3.5K, which nowadays equals to thin air.

But I personally expected nothing less, than PURE awesomeness. Check the very fascinating video below.