After their release, series creators Matt Stone and Trey Parker were very publicly critical of the quality of Acclaim's South Park games. According to All Games Network co-founder Scot Rubin (who employed a former playtester for Acclaim as a cameraman), Stone and Parker were said to have worked closely with Acclaim on the first South Park game, but lost full creative control over the following two games as Acclaim became more restrictive. Upon ending their partnership with Acclaim, they became very protective of the South Park license, shutting down any potential pitches until the 2009 game South Park Let's Go Tower Defense Play! Reflecting on Acclaim losing the license in 2001, Stone had this to say: