RealNetworks (NASDAQ:RNWK) has placed a fresh bet on 21st-century gaming. The company announced that it has acquired Slingo, producer of the eponymous multi-platform game. The terms of the deal were not disclosed.

RealNetworks characterizes Slingo, a combination of bingo and slots, as "one of the most popular social casino games on the Internet." It says that, at the moment, over 4.5 million play the game over Facebook every month.

The title is also available on Slingo's website and a mobile app, and can be played at slot machines in casinos.

RealNetworks quoted Slingo CEO Rich Roberts as saying that his company will be folded into its new owner's GameHouse division.