Six months. Every market where we offer it. One fiery game leading the way. According to the Pong Game Studios (PGS) Analytics team, Flaming Skulls has held the # 1 position for six consecutive months in every market where PGS offers the game. It’s a milestone we’re proud of, and a good reason for operators and distributors to get to know the game behind the results. What Is Flaming Skulls? Flaming Skulls is a slot game developed by Pong Game Studios, combining fiery skull ch