well what version of GTA3 u playing..?
heres a crack for version 1.0:
http://www.gameburnworld.com/gp/game...theftauto3.htm
OH, already have a no-cd?
to play GTA3 with audio:
you need to copy your AUDIO files from the game disc into the GTA3 folder.. if you want to play no-cd with audio..
just download the crack.. save a copy of ur old gta3.exe.. replace with teh cracked one..
then copy all your audio from GTA3 PLAY disc into your GTA 3 folder, and walla