What’s happening in my game is that two players are working together to help one of them get to 18 supply centres, with the junior partner saying that that will still constitute a ‘shared victory’ for him.

I’m playing a game in which everyone is pretty new to Diplomacy (including me). My understanding was that the game is Winner Takes All, so although people make alliances, there can only be one winner in the end (or a stalemate if nobody can get to 18 supply centres). But now in my game Germany and R...