Brian Sullivan - is a video game designer. Brian Sullivan began his career in 2006 and has worked for companies such as THQ Nordic, Handy Games, Iron Lore Entertainment, THQ, Nordic Games and DotEmu. Brian Sullivan's first game was Titan Quest which was released 18 years ago. Best Game Brian Sullivan contributed to was Titan Quest. Brian Sullivan's latest work is Titan Quest which was released 18 years ago.