Warner Bros. Home Entertainment is to acquire Travellers' Tales and its parent company TT Games.
The group will continue to be known as TT Games and will continue its existing relationships with Lego, LucasArts and Guinness World Records.
"TT Games is very successful and respected in the game development and publishing world," said Barry Meyer, chairman and CEO of Warner Bros.
"They are a great fit for us and the right next step for Warner Bros. as we grow into a significant presence in the games space."
The Lego Star Wars franchise has sold over 12 million units worldwide. Traveller's Tales is also working on Lego Batman, to be published by Warner Bros., and Lego Indiana Jones: The Videogame.
"Warner Bros. has an extraordinary track record in nurturing and developing intellectual property in television, in movies and now in games," said Tom Stone, managing director of TT Games Publishing.
"That history combined with their world class distribution muscle promises a very exciting future for all of us at TT Games."