Also it's a total Black Swan event and should be treated as such.
Sadly, the original site that hosted it just has a "Java Applet" placeholder there now: http://www.liquidcode.org/worm.html
It had a very good balance between difficulty and frustration. Or in other words, I wasted a lot of time on it.
There's probably an uncanny game design valley here. Abstract ideas that look stupid can be fun, as you iterate and add "polish" there comes a point when your polished game is just dumb and no-one will play it, so you need to add more game mechanics to it to give it more depth.
https://web.archive.org/web/20020604072320/http://www.seethr...
The main site is now spam, so don't visit it, but archive caught the original and most of the diary pages, which are an interesting read.
I can recall a few others with similar play style - Star paws and Zaxxon come to mind.
https://itunes.apple.com/de/app/copter-game/id433399893?mt=8