Most script-based mods for Vice City run on the CLEO library . You will need to download and install this first by placing the cleo.asi and CLEO folder into your main game directory.
The primary draw is the ability to unlock 10 wanted stars , far exceeding the vanilla cap of six. gta vice city 10 star wanted level editor mod
Ensure you have a clean installation of GTA Vice City. Many mods require the US 1.00 version for full compatibility. Most script-based mods for Vice City run on the CLEO library