SimCity 3000 is a city building simulation video game released in 1999, and the third major installment in the SimCity series. It was published by Electronic Arts (EA) and developed by series creator Maxis. It was released for Microsoft Windows, Macintosh, and, through an arrangement with Loki Games, Linux.

Maxis is an American video game developer and a division of Electronic Arts (EA). The studio was founded in 1987 by Will Wright and Jeff Braun, and acquired by Electronic Arts in 1997. Maxis is best known for its simulation games, including The Sims, Spore and SimCity.