More often than not, EA has succeeded in seamlessly integrating an expansion pack’s new features into the core game. However, this is not the case this time around. Late Night divides locations into two categories – suburbs or late night neighbourhoods. Any neighbourhoods in existence before the release of the latest add-on appear in the suburbs category, making these locations devoid of any additional content. This is a particular problem if you have a long-running saved game, since there can be no interaction between your existing Sims and those that belong to one of the late night neighbourhoods. As it’s difficult to take advantage of the new features when loading up an existing file, many players might feel the need to start from scratch.