I remember when the demo came out (I didn't even know it was called a "demo" at the time). We gathered around it running on one of the lab PCs. It was quite unbelievable that something like it could be done in such a tiny executable.

Yeah, I had exact the same fellings.

Have you also tried to reach the end?

Of course, that was the first intention, to get to the end.

I remember as a child, I had spent a lot of time on this, but perhaps the direction was wrong. (-:

It's endless right?

Sure, it was endless.

Here is "making of" from author.

https://www.pouet.net/prod_nfo.php?which=4662

same feeling