Method for controlled object and device thereof

A method for a controlled object and a device thereof are disclosed. According to an embodiment, the device for the controlled object includes a communication unit and a processing unit. The communication unit is utilized to enable a first user terminal to communicate with a second user terminal. The processing unit is utilized to control a first object corresponding to a first user, thus to display the first object in a virtual world, to control the first object to move the location thereof in the virtual world in response to a movement control of the first user, and to randomly select at least one candidate object in response to a morphing control of the first user. Accordingly, the first object can be changed to a second object when the first user selects the second object from the at least one candidate object.