Venerable South Philly drinking establishment, Pub on Passyunk East, is gearing up for what its calling “Game of Tröegs” tonight. The friendly competition pits reps from Tröegs Brewing Company against P.O.P.E. staff in an round of the sport of kings beer pong. With the games comes a handful of Tröegs finer offerings, including Nugget Nectar, Mad Elf, and some scratch brews and other rarities. The fun starts at 8 p.m.