Mine would have to be Return to castle wolfenstien online, I think I wasted a whole year on it, it was like drugs so addictive and I needed it every night
I just got rid of it in the end to stop playing it all the time, it was come home, play to sleep thing, I don’t really get addicted to games, I play them non stop until I complete them or just go of them, or can come back to them.
About that bus you thought you had missed that really is a game taking over you, I've had a few day dreams like that, someone mentions a word/sentence similar to the game your addicted to you instantly think about the game, its really mad.