How many levels can the maintenance tool upgrade card of Fat Goose Gym be upgraded?
14. The maintenance tool upgrade card of the game Fat Goose Gym can be upgraded to 14 at most. Is a lovely casual game. Players play the role of gym manager, get materials through synthetic gameplay, build a unique gym, attract cute fat geese to exercise, perfectly inherit the gameplay of animal restaurants, open gyms, distribute leaflets to unlock more little fat geese, and participate in various sports.