concede in trench games

In trench games, when the outcome of the game is clearly decided, it can still take many rounds to finish the game.
How about a concede button ?
How about a concede button ?
Conquer Club, a free online multiplayer variation of a popular world domination board game.
https://www.conquerclub.com/forum/
https://www.conquerclub.com/forum/viewtopic.php?f=528&t=172963