In the good old days when Go Fish, Slapjack, and Crazy Eights were popular, a standard deck of 52 playing cards was the only ingredient necessary for hours of homey fun. But the nature of card games has changed, especially those trending toward flash-card Q&A games featuring adult-oriented party humor. The proliferation of R-rated games can make it hard to find one appropriate for younger eyes and ears. But all is not lost. Here are three popular boxed games that will keep kids of all ages engaged and having fun for years to come.