While looking at other Downloadable Content items on steam, it states "This content requires the base game Train Sim World® 3 on Steam in order to play. Yet the ad-on is Train Sim World® 2: Northeast Corridor: Boston - Providence Route Add-On. And yet when I search for Train Sim World® 2, I find the below message Notice: At the request of the publisher, Train Sim World® 2 is unlisted on the Steam store and will not appear in search. But option to purchase the add-ons / Downloadable Content - Train Sim World® 2: DB BR 363 Loco Add-On cost is $19.99 and it clearly states, "This content requires the base game Train Sim World® 2 on Steam in order to play". Here are the associated links. Buy Train Sim World® 2: DB BR 363 Loco Add-On and Train Sim World® 2 Did I post this in the incorrect section? It was late when I did post, if so, please move to proper section Thank you.