Products were shipped under the Maxis logo for several years until 2004 , when The Sims 2 had only the Electronic Arts logo on the box cover . As of October 18 2006 , with the release of The Sims 2 : Pets expansion pack , the Maxis title has been removed from the game 's start . With the release of The Sims 2 in 2004 , Maxis ' logo was only displayed at the back of the box as well as the title screen at the launch of the game .