You can play many games to be fit for the health. There are Football, Tennis, Cricket, Baseball, rugby etc.
With this games you mind will improve to concentrate in one thing and also your digestion power is increase.
Each game has its own specialty. Be it a mind sharpning game like chess or some puzzle games or some out door games that can help you stay fit. But the main thing that any game does is to provide entertainment and that's why we love games.