"OmniBus Simulator 2 (Omsi 2) Neoman Overhaul v3" seems to be a modification or a mod for the game Omsi 2, which is a bus simulator game.
Version 3 updates deep engine-level variables to improve stability and prevent the frames-per-second (FPS) bottlenecks common in earlier releases. Drivetrain and Brake Physics omsi 2 neoman overhaul v3