Here we are at the end of day 9 of the mastery and normal service has been resumed! Masteries are BROKEN! Requirements for day 9 are "Complete a Scenario or Timetable on any US Route" Completed a Timetable run on Cajon Pass using the F7, checked mastery and it hadn't unlocked. Quit the game and restarted and still not unlocked. Did a Scenario on Boston Sprinter. Checked mastery and STILL not unlocked so again quit the game and rebooted and STILL not unlocked.