Facebook is putting some highly visible promotional muscle behind games and its app center with a promotional box appearing atop users’ news feeds featuring the “Top Games on Facebook.”

The promo box we saw highlighted Backyard Monsters, Marvel: Avengers Alliance, Battle Pirates, and Jackpot Party Casino, and instructed users, “See all games in the app center.”

Readers: Have you seen this “Top Games on Facebook” box on top of your news feeds?