Complex sentence: Unlike previous Lego titles developed by TT Games, which have been based on various licenses, the game is based on the Lego City brand and is a first Lego game to be published by Nintendo rather than an independent publisher such as WB Games or LucasArts.
Split into simpler sentences: Unlike previous Lego titles developed by TT Games, which have been based on various licenses, the game is based on the Lego City brand and will be published by Nintendo. It is the first Lego game to be published by Nintendo rather than an independent publisher such as WB Games or LucasArts.