I read Snow Crash when I was 13. Then I lost countless hours trying to "live the dream" with Active Worlds [1] [1] https://en.wikipedia.org/wiki/Active_Worlds
It's really odd to think that NCSA Mosaic had just been released a year earlier - and if you go back to 2D, rather than 2.5D, the first persistent multiplayer virtual world launched in 1986, several years before even non-graphical web browsing was a thing: