The way you play a game in a dream can represent the way that you play your role in life.
A dream that you are playing a game and winning can mean that you are handling the circumstances in your life very well.
Playing a game and losing in a dream can mean that you are having difficulty dealing with your situation in life. Your dream is telling you that you need to think about how you can change your behavior or yourself in order to make your life better for you.
If you dream that you are playing a game, it can mean that you have been under stress, and you now want to be able to relax and not take things so seriously.
A dream that you are playing a team sport, such as football, baseball, or basketball, can mean that you want to be part of a group.
Pay attention to how you behave as part of the team. That could tell you something about how you relate to other people in real life.