Trilogy Multiplayer is a work in progress nonprofit open source multiplayer software project for Rockstar Games' Grand Theft Auto: The Trilogy – The Definitive Edition with a primary goal of adding multiplayer functionality with an easy scripting interface for you to create unique experiences to play together with your friends in all three of the genre-defining classics.
Trilogy Multiplayer is not affiliated with or endorsed by Rockstar Games, Take-Two Interactive or other rightsholders.
Rockstar Games, Grand Theft Auto, Grand Theft Auto: The Trilogy - The Definitive Edition, Grand Theft Auto III, Grand Theft Auto: Vice City, Grand Theft Auto: San Andreas and R* logo are marks/logos/copyrights of Take-Two Interactive. Any trademarks used belong to their respective owners.
A legitimate copy of Grand Theft Auto: The Trilogy - The Definitive Edition is required to be able to play multiplayer.