Tim Tim's girlfriend fitness game is a mobile phone game that combines fitness and game entertainment elements. This kind of games usually use mobile phone sensors to track the player's body movements and achieve the purpose of exercising by completing specific action tasks. The following are several common fitness games to add girlfriends:

1. Dance Fitness: It is a game that tracks the human body with a mobile phone camera. In the game, players need to dance according to the instructions on the screen, complete the level task and exercise.

2. Animal World Boxing: This is a boxing simulation game. Players can punch by punching and moving their bodies, which not only exercises their bodies but also enjoys the game and entertainment.

3. Yoga Fitness: This game requires players to perform various yoga movements and achieve the purpose of exercising through correct movements and postures.

Please note that the names of girlfriends of fitness game Tim Tian may vary from region to region and platform. Please search for specific games according to your region and mobile app store.