also, how do 24 stores have the ability to control time.
Viewing post in Drive By Delivery jam comments
Dystopian future where nothing matters more than same day delivery. Time travel was invented only so more packages could be delivered in the same day.
Really though, this in combination with packages increasing in value the longer you're in a level was a game design decision made to keep players invested in each run of the levels, since otherwise there would be no real incentive to try to be better at the game.