Gustaf Grefberg - is a video game composer. Gustaf Grefberg began his career in 2007 and has worked for companies such as Avantgarden, 505 Games, Starbreeze Studios, Parables Games, 2K Games, Atari, Tigon Studios, OVERKILL Software and Starbreeze. Gustaf Grefberg's first game was The Darkness which was released 16 years ago. Best Game Gustaf Grefberg contributed to was Brothers: A Tale of Two Sons Remake. Gustaf Grefberg's latest work is Brothers: A Tale of Two Sons Remake which was released 2 months ago.