NEXON is a Korean computer game company, founded in May 1995, headquartered in Seoul, South Korea, developing casual online games, the main works are Rocky, Rocky Heroes, Dungeons and Dragons (DNF), Crazy A to give the bullet water A to give (bubble hall/bomb water A to give), Run Kart, Sky Wing chain, God's Domain, Adventure Island (Maple Valley), Counter-Strike Online and Counter-Strike Online2, etc.