It’s midnight on a Wednesday, and someone wants to play a game of pong. They enter a basement that reeks of sweat and musk, where brothers are cracking open and sipping the amber runoff from an infamous blue can. Every college has its signature beer. At Dartmouth, it’s Keystone Light. And if you didn’t know that before you got to campus, you found out quickly. “I never heard of Keystone until Dartmouth,” Nelson Mendels ’27 said.