First step is to C/P this into your Game Interpreter script section, to fix the math used for event variables: http://www.rpgmakervx.com/variables-fix
Next, you will create at least 5 items, events, and variables (which see a lot of use) and some other random junk, all to make it work. And, as usual, I don't have a demo that you can just pull the stuff from. Without further complaining, let's begin:
items you need
add new member
I made another game that you can get tickets from, which I'll post later. Or you can use your own mini-games.