The title was to be released on February 20, 2009 according to the official The Sims 3 website, but was delayed worldwide to June 2, 2009.Electronic Arts cites the reason for the delay was to "create awareness for The Sims 3". It shows something towards a continuous, panning neighborhood, diagonal placings for objects, better lighting systems, and the ability to change shoes in the CAS, an ability previously limited to only console versions of The Sims.Such things like personality, Create-A-Sim, and build mode have been expanded.
With all-new quick challenges and rewarding game play, The Sims 3 gives you the freedom to choose whether (or not!
The game compromises this by having much longer initial loading and saving screens.
The game has disc-based copy protection – there is a Serial Code just like The Sims 2.
The Sims 3: Late Night comes with the neighborhood Bridgeport.
The Sims 3: Pets and The Sims 3 Plus Pets compilation pack comes with Appaloosa Plains. The Sims 3: Supernatural comes with Moonlight Falls.
Each sub-neighborhood is a unique, exotic environment that is as large as a regular neighborhood.