for the port will be published once stable. Help wanted for SH-4 optimizations!
This is purely for preservation / dev testing. Rockstar owns GTA 3 – support the official release on PC/consoles.
Here’s a forum-style post you can use or adapt for sharing a build (presumably a homebrew port or proof-of-concept): Title: GTA 3 on Dreamcast – CDI release (unoptimized / tech demo)