If you meant you want help finding a link instead, I can point you to Steam or Aerosoft. Let me know.

Just so you know, and its add-ons (including Köln) are commercial products developed by MR-Software and published by Aerosoft. The Köln add-on is not freeware — it's a paid DLC that requires a legitimate copy of OMSI 2.

that allows players to drive through a detailed recreation of Cologne, Germany. It is primarily available for purchase on platforms like the Steam Store Aerosoft Shop Core Content & Features Primary Route : Includes the KVB Line 132 , spanning approximately 13.5 kilometers

So, what can you expect from the OMSI 2 Add-On Koln? Here are some of the key features: