For 12.90 $ you get the activation code, which allows to play the game up to 50 turns (otherwise only 10 turns).
If you want to pay by credit card, go to this page: https://secure.bmtmicro.com/ECommerce-OnSite/57705.html
You may also order by telefone (USA) 001 800 414-4268 or Fax: 001 910 350-2937
If you have questions concerning the payment by credit card: orders@bmtmicro.com

You may transfer the money to one of our accounts.
Germany: Dresdner Bank (Erlangen), account: 4542294200, routing code 76080040, account holder A. Hanisch;
Austria: PSK, Konto 2128265, account holder Stefan Hinum, routing code 60000;
After the transfer send a mail to stefan{a_t}hinum.com, so we can mail you the activation code.
If you have general questions or questions concerning the money transfer to accounts: stefan{a_t}hinum.com