To let you know what you’re getting into, we’d like to inform you that: There’s fighting, there’s cheating, there’s treasure collecting, there’s scared, and there’s crying for loss. So go find yourself 3 buddies to take on this new adventure. Gloomhaven is designed for 4 players, from 12-14 years and older. Number of Players and Actions Taken in Gloomhaven The ups and downs of the game, and the variants that the storyline can take, are subject to the intelligent (or foolish) decisions of the players.