And Tommy Angelo drove his taxi home alone—not because the script forced him to, but because he chose to.

The is a foundational modding tool developed by MartinJK that allows users to run custom Lua scripts and C++ plugins within the game. While the original version is now considered deprecated in favor of the more advanced MPlus framework by the Nomad Group, it remains a key piece of software for the Mafia modding community. Core Functionality

It looks like you're looking for a for Mafia: Definitive Edition —similar to tools like Script Hook V for GTA V, which allow custom scripts, mods, and native function calls.