Flashing Balls is simple game to train your memory. You will be shown sequence of balls changing colors and when its over, it is your turn to repeat.
There are 4 balls flashing in first level and this number is increased by one in each following level. There is new level every three successful rounds. You have only three lives so be focused:-)
With OpenTTD Timetable Tools app you can easily calculate timetable for any number of vehicles. You need to enter timetable start date, vehicle timetable length and select if you want to enter frequency or number of vehicles. Program will count if timetable length needs to be increased, how many vehicles will be needed and their departure date. You can select Date format in Settings.