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Dan Houser, Rockstar Games co-founder, revealed new details about why the studio's PlayStation-exclusive spy game 'Agent,' announced at E3 2009 as a partnership with Sony, never came out. Houser told IGN that Rockstar attempted development with two or three different internal teams but ultimately couldn't complete the open-world spy title, noting he has worked on 'a bunch of games that never came out.' The revelation sheds light on one of gaming's most notable vaporware projects and offers rare insight into Rockstar's internal development struggles during an era otherwise defined by the studio's massive success with the Grand Theft Auto franchise.