It's a Wonderful Life turned the story and what was worth using from the three scripts into a screenplay that Capra would rename "It's a Wonderful Life". The script underwent many revisions throughout pre-production and during filming. Final screenplay credit went to Goodrich, Hackett, and Capra, with "additional scenes" by Jo Swerling. Capra produced the film with his independent motion picture production company Liberty Films. Dalton Trumbo had written a draft that was different from the final film. In Trumbo's draft, George Bailey is an idealistic politician that slowly grows more cynical as the story progresses, then tries to commit suicide after losing an
Harvest Moon: A Wonderful Life family farm, although he can not marry. If the player connects a Game Boy Advance with "Harvest Moon: Friends of Mineral Town" or "Harvest Moon: More Friends of Mineral Town" to the GameCube while playing "A Wonderful Life", the two games can exchange information. Initiating the connection requires going to the mountain path next to the vegetable farm where Celia lives in "A Wonderful Life", and throwing an offering into the Harvest Goddess' pond in "Friends of Mineral Town". NPCs in Forget-Me-Not Valley will begin to make comments about events in Mineral Town, and vice versa. In addition, some NPCs