Fanatical key from recent bundle! (I know this game grants no CV, and that is O.K.)
No region restrictions listed by Fanatical at this time: https://www.fanatical.com/en/game/train-valley-2
( How to check for region locks on a Fanatical store page: https://support.fanatical.com/hc/en-us/articles/202652231-Can-games-be-activated-in-the-country-that-my-gamer-account-is-associated-with )
