Its only now you mention it that I realise that railways and computer games hasn't really featured on the forum. I'm guessing most people prefer real trains and engineering or after a days commuting on the Thames Valley its the last thing they want to do.
I've always found the simulator games too much like hard work (bit like the flight sims) but I have watched a few videos of routes I've travelled to see how accurate they are. The main simulator seems to be Train Simulator 2021 (and most previous years).
There's a
GWR▸ DLC. One sample video @
https://www.youtube.com/watch?v=jIQCi-G0S3II've probably played a bit more of the 'strategy' games starting with Railroad Tycoon - or actually starting with the board game 1829 which made me pick up Railroad Tycoon for my Amiga back in the very early 90s.