The Fase 3.1 milestone focused on refining the simulator's core systems: Proton Bus Simulator Road - Apps on Google Play

: A new "Plus" button allows for easier installation of custom buses and maps directly through the system file selector. Company Mode

: The update brought more realistic physics, including collision enablement with other vehicles and dust effects on unpaved roads.

Most high-quality 3.1 phase maps and bus mods are built for PBSU (Proton Bus Simulator Urbano) because of its mature modding system. The latest stable version of PBSU is 1313 , updated as of May 2026.

To get the safest, most stable, and feature-rich version of Fase 31, always avoid third-party sites offering sketchy "unlocked mega mods" that bundle malware. 1. Official Google Play Store (Android)

Switch on the electronics, start the engine manually, control individual passenger doors, adjust air conditioning, and manage the destination sign board.

: The most stable versions for Android (Urbano and Road) are available directly on Google Play (Urbano) Google Play (Road) Official Developer Website