Back to the Future: Liberty City is an Add on mod for Grand Theft Auto III. Back to the Future: Liberty City will be based on the Back to the Future Trilogy, allowing the player to re-enact all the great moments from the films. While some parts of the story are stretched to make it more enjoyable, we are determined not to stray too far from the original story-line. The people behind this mod want the community to relive the movies and have as much fun in the process as possible. With the outstanding game play of the Sandbox hit, Grand Theft Auto III, in combination with one of the best movies of all time, Back to the Future, this mod is sure to bring countless hours of fun to anyone who enjoyed the movies.