Hmm, maybe people dont know, but there is a GTA 3 Multiplayer.

You guys can play with me GTA 3 Multiplayer, if you want. Steam Version.

https://www.youtube.com/watch?v=vMMB0F20XxI

Here's a tutorial I made for how to install the multiplayer.

Greetings from Aeoris Amnell :)

My nickname in LU is either Kewun or Aeoris. You can find me mostly on Clan wars server or cz/en.