Most recent versions,
With every expansion/accessoire or patch the version number of the games wil change too.
De most recent version (till 21-12-2010) are:
| Game expansion/accessoire | Version number |
| Basegame | 1.18.9 |
| World Adventures | 2.0.86 |
| High-end-loft-stuff | 3.0.38 |
| Ambitions | 4.0.87 |
| Fast Lane Stuff | 5.0.44 |
| Late Night | 6.1.11 |
You need these numbers to control if your game is up-to-date and to use the right NoCD-crack if you're using that.