Question: is obsidian part of bethesda?
Answer: There was a company called Interplay Entertainment, who released the first Fallout games, Fallout 1 & 2. In 2003 a lot of people from Black Isle -- a team within Interplay -- left the company, they made their own company, Obsidian. ... When Interplay went bankrupt, they sold the Fallout rights to Bethesda.