"The Knock." as the dungeon calls itself, is a PC baang, or part Internet cafe, part gaming room.
Cho Kyn-Tae, 29, an assistant manager of a trading firm, says he is there "just to relax, meet people and play some online games." Cho spends three to four hours every day of the week including Sundays in a PC baang doling out up to 10,000 won (U.S.
The Knock is just one of the 30,000 PC baangs in Korea, which between them have some 1.2 million PC terminals connected to high-speed Internet or broadband networks.