Noclip by Sliderv2

Install: 
1. Download Mafia DE ScriptHook: https://github.com/MartinJK/Mafia-Definitive-Edition-ScriptHook/releases/tag/1.0
2. Place "scripts" folder which contains "noclip.lua" into Mafia Definitive Edition folder.

Controls:

U = Up
I = Forward
O = Down
K = Backward
J = Left
L = Right
P = Toggle Physics (disable falling player)