https://www.humblebundle.com/games/train-sim-expedition-bundle
79p gets you the game and a few engine add-ons, pay more to get more.
I think that this used to be Microsoft train simulator but I could be wrong. You need a Steam account to download everything. How appropriate...
Also posted at https://ffutures.dreamwidth.org/2222064.html, where there are comments. Please comment here or there using OpenID.
