I'm about 40% through the General career mode and 30% through the Soaked career mode acheiving Tycoon status as I go and yet coasters do not seem to be unlocking. In particular I have noticed that the Junior Coaster is still locked even though I have acheived Tycoon status in the Broom Lake scenario. Am I missing something? Is there something else I need to do? Do you have to save the game once you acheive Tycoon status or something (I usually just exit out unless I really like what I have done to the park)?