Ahh so.
After you put your exhibitor badge and game in your cart just go thru the check out process.
It does not require any credit card or payment. Your total will be 0$.
Its just the easy way for them to keep track of who has registered and what packets to make
It may take a day for the game to show up on the game list
here is their contact info
http://texaspinball.com/tpf/contact/
--Jeff