Slingo has since become popular in the UK online gambling industry, with many sites now hosting the game, including its various iterations of which there are currently 12. In July 2013, RealNetworks acquired Slingo for $15.6 million, and in July 2015 RealNetworks announced that it would sell Slingo to London-based gaming company Gaming Realms. to create and market games based on the Slingo theme. in 1994, who also founded the company Slingo, Inc. The game was created by New Jersey real estate developer, Sal Falciglia Sr. Slingo is an online single and multi-player game that combines elements of slots and bingo (the name is a portmanteau of the two games).