14 days for free select and 28 for all characters. Unfortunately I have no idea how or even if Zinc keeps track of time played.
I've seen cheat codes for unlocking with mame but dunno if it'll work with zinc. There must settings somewhere - maybe dip switch selections to flip everything on.
Here are the mame codes: http://www.mamecheat.co.uk/forums/viewtopic.php?t=1548
This might be worth a read too: https://www.willemssoft.be/index.php...details&id=133
Hopefully this will at least point you in the right direction.
