Many modern mobile games use a hybrid model: local data for gameplay state and server/cloud data for account verification and currency. Full progress continuity often requires cloud sync.


When you play BSU, the game constantly writes data to a specific folder on your device. This data is stored in files with extensions like .dat, .json, or .sav. A typical "complete" save file usually includes:

In essence, a "100% save file" gives you a sandbox experience where you can drive any bus on any route without limitations.


  • Risks:
  • Safe approach: edit offline copy, test, then re-import only if game uses local authoritative data.

  • If you're looking to use a save file for a fresh start or to cheat:

    Be careful out there. Avoid sketchy ".exe" files. You only need a .dat or .txt file.