Kim Jung-ju, founder of game developer Nexon, dies at 54

Kim Jung-ju, the billionaire founder of Korean online game developer Nexon Co – which made hit game Maplestory – has died at age 54. — Nexon Co

Kim Jung-ju, the billionaire founder of Korean online game developer Nexon Co. who contributed to establishing one of the world’s hottest gaming hubs, has died. He was 54.

Kim had received treatment for depression and recently his condition seemed to worsen, NXC Corp., his private investment firm, said in a statement Tuesday, without giving a cause of death. It said he died at the "end of last month” in the US.