PayByCash, a subsidiary of PlaySpan Inc., announced today that consumers can purchase its Ultimate Game Card, a prepaid card for playing online, multiplayer games, at 5,600 7-Eleven Inc. convenience stores in the United States. 7-Eleven is based in Dallas. PayByCash, which is based in Charlottesville, Va., has sign an agreement with Atlanta-based Interactive Communications International Inc., known as InComm, to distribute the cards. The cards enable consumers to play nearly 300 online, multiplayer games, Kevin Higgins, PayByCash president, tells CardLine. Consumers can buy the cards in 12,000 stores around the United States, Higgins says. The company plans to make them available in 20,000 stores by the end of the summer, he says. The card is available in $10 and $20 denominations, the company says. PayByCash also began to offer the cards in Canada this month, Higgins says.