This room is crowded with tables, books, manuals and games in progress. It seems as if every single table and much of the floor is all being used for all sorts of different games including, on a quick inspection, Chess, Go, Pool, Cosmic Encounter, Illuminati, GURPS, etc... In addition, there are labeled portals around the room leading to other places where you can play games, hear humorous stories and find other gaming materials.
There also happen to be a bunch of interesting puzzles lying around.