PLANO, Texas - KingsIsle Entertainment, creators of the award-winning online game Wizard101, today announced that a new and exclusive Mega Bundle prepaid game card is now available at GameStop stores across the country. The company also revealed that Wizard101 prepaid game cards are available in over 45,000 retail stores in the United States, Australia and New Zealand, and that the program is poised to grow further, domestically and internationally, over the next several months...