Also, since a stuff pack may have a more recent version of the game engine than the most recent expansion pack, it is sometimes necessary to use the most recently released stuff pack. However, if Mansion & Garden Stuff is installed, its DVD must be used to start. In The Sims 2, the general rule is to start with the first CD or the DVD of the most recent expansion pack.
If Deluxe is installed, and Unleashed, Superstar, or Makin' Magic are not installed, use the first CD of Deluxe to start the game. While it is a compilation of the base game and Livin' Large, it is treated as an expansion pack when determining which disc to use when starting. The Sims Deluxe Edition was released after Vacation and before Unleashed.
The expansion packs, in order of release, are: For those who do not have Complete Collection, the general rule is to use the first CD for the most recently released expansion pack. Players who have The Sims Complete Collection should always use the first CD of that compilation.