Create the most powerful gym, connect athletes! A large gym is at your disposal. Your task is to get new athletes, combine similar ones to get more powerful athletes. The most powerful athletes can be taken to a boxing competition. You need to click as often and quickly as possible to defeat your opponent in a difficult battle.
The goal of the game is to open all the characters, click to get new characters, connect the same ones to unlock stronger athletes. Control on a mobile device: touch. Controls on desktop: Left mouse button
Playing merge muscle free online game support all smartphones or tablets, such as iPhone, iPad, Samsung and other Apple and android system.