Board Game Arena

Last night I played a game with two people that only bought one cow each, 3 point one. One had a permanent certificate. I don't understand how they were able to win without buying cows to make deliveries like I usually do? One guy even delivered to New York. It seems impossible. Any insight would be...

I'm looking for friends to regularly play this game. I'm mostly free on the weekends. I'm not great, especially at Rails to the North, but this is my favorite game. Please send me a friend request if you like to play this game often. Please and thank you.