Coolman Entertainment Inc. was founded in early 2004 by a team of highly experienced software engineers, who have been specialized in development of online games ever since the industry started to flourish in 1999 in China. Although being a start-up, Coolman showed its talents of technique and rich experience in China's online game market and eventually secured the exclusive franchise rights of developing, operating and marketing Sony Online Entertainment's blockbuster title PlanetSide in China.

PlanetSide is the first online game Coolman has brought to Chinese game fans. Coolman will go all out to have the game, the technical support and also their service be proved by people.