Dirty Harry (2007 video game) from the film as Clint Eastwood never recorded a voice over for the video game. Warner Bros. was reluctant to release details on the gameplay, but offered a few hints. While it was never confirmed, it appears that "Dirty Harry" was to offer a free-roaming San Francisco. "The city of San Francisco can be a character", Warner Bros. Jason Hall said, "It can live". One key aspect of gameplay was discussed in slight detail. As in the films, Harry Callahan walks the line between bad cop and psychopath. Players were also to walk that line. The game was to feature
Dirty Harry novels of the four first "Dirty Harry" films as tie-ins. Author and screenwriter Phillip Rock wrote the novelization of "Dirty Harry" in 1971, based on an early draft of the script. Mel Valley wrote the sequel, "Magnum Force", in 1973. Wesley Morgan novelized "The Enforcer" in 1976. The "Sudden Impact" novelization was written by Joseph Stinson, one of the screenwriters. Stinson, who had rewritten the originally independent script as a "Dirty Harry" vehicle for Eastwood, adapted the novel in 1983. Following "The Enforcer", Eastwood announced that he would not make any further "Dirty Harry" films (he eventually returned to the role