Nothing makes parties and summertime more enjoyable and memorable than these fun drinking games. With the warm, itchy weather, and wretched moods, these games guarantee to boost ad energize the environment. Pick up a drinking game now and get the party started! 8 Indoor Birthday Party Games for Adults Treasure Hunt Game: Treasure hunt game is a very popular game among the kids as well as Game of Charades. Game of Charades is yet another amazing and fun game that is played on teams.Hot potato. The classic game of Hot Potato seems to be a game for kids, Pass the parcel game. For adults, this game.