I've played that game at the bar with friends before. I drink a beer, they pull up the brewer's website and (provided they list the ingredients) see if I can guess them. I get as many wrong as right, but it's definitely entertaining. To me, at least.
Up Next: Ordinary Bitter, Mild, ESB
Primary: Lamebic, Spruce Brown Ale, Berliner Weisse, Arrogant Bastard Clone
Secondary: Sour Stout
Bottled: Düsseldorf Altbier, Maris Otter/Willamette SMaSH, Sticke Altbier, Roggenbier
Bottle "cellar": Brett B. Tripel, Imperial Red, Tripel, Quadrupel, Brett C. Oaked English Barleywine, Weizenbock, Doppelsticke Altbier