The FSPS Store is running sales on two different collections of payware flight simulator add-ons. On one side, we have various Aerosoft-made airports for X-Plane 10 & 11, and the other is the well-known Active Sky add-ons from HiFi Technologies that are also now on sale.
The Aerosoft X-Plane Airports will be on sale for the next three days (at the time of writing). There are ten in all, and three of them are compatible with X-Plane 10. The others are for X-Plane 11 users. Some of the ones that are included are Amsterdam, Berlin-Tegel, Dublin, and Oslo.
If you’re more interested in the Active Sky add-ons, you’ll be happy to know that they’ll be on sale for ten days (at the time of writing). This selection ranges in compatibility for Prepar3D and Microsoft Flight Simulator X, so make sure to the pick the one that matches the sim you have.