MercurySteam is an independent video game developer located in San Sebastian de los Reyes, Madrid, Spain. The studio was founded in 2002 by Enric Alvarez and has became best known for developing the Castlevania: Lords of Shadow trilogy as well as for their recent involvement in the development of 2D Metroid games.
Retro Studios was founded in 1998 by Jeff Spangenberg as an alliance between Iguana Entertainment and Nintendo. Spangenberg, founder of Iguana Entertainment was looking to create exclusive titles for the upcoming GameCube aiming at an older demographic. Spangenberg opened an office in Austin, Texas in early 1999, staffing 25 people.