Was this a long time ago? The game was patched heavily. Early on there was no reset bonus for previously unlocked scenes for example. Currently the studios stay and are open to be used without purchase with diamonds or money. The money ones have to be unlocked with money again after a reset.
They silently included a hard reset button on page two of the options. Why would anyone want to press this? (At least if you did spend gold for diamonds on the game).
One so far. But if the do not screw up the time counter, there is plenty of time left. And they did that fairly often. And the numbers are indeed completely random.