[Fanatical] Tiny Rails -83% (HL) (ATTENTION!)

They saw gambling addicts would be willing to pay $2 x many times to progress a little in the game vs the normal profit they'd make from selling an honest game once complete for $10.

Sure, no need to ask.
Based on the reviews and forum posts, it does appear that the game is indeed abandoned and has not been updated for a long time compared to the mobile version.