The gamer who appears in the beginning of the movie turned out to be a successful gimmick by director Kyung-Soo Im. As he is an actual real-life gamer known as SlayerS_'BoxeR'. In the year of the movie's release, 2002, SlayerS_'BoxeR' was South Korea's most famous and successful pro-gamer, winning the South Korean national championship, as well as the international championship "World Cybergames" two years in a row.