A team of approximately 1,000 people developed Red Dead Redemption over five years. Rockstar Games published the action-adventure game in May 2010 for the PlayStation 3 and Xbox 360. A spiritual successor to the 2004 game Red Dead Revolver, its development was led by Rockstar San Diego's core 180-person team, who collaborated with Rockstar's Leeds, New England, North, and Toronto teams to assist development; Rockstar North, developer of the Grand Theft Auto series, consulted in the creation of the open world. After its announcement in 2009, the game was fervently promoted with press showings, cinematic trailers, and viral marketing strategies. Its release date, though subject to several delays, was widely anticipated. The working hours and managerial style of the studio during development