To provide a rotational drum type game machine controlling rotation of rotational drums for facilitating proper arrangement of generators when there are the generators.

If it is determined that there are the generators, a main control part 200 rotates the drums 30, 31, and 32 until a stop command is given by stopping buttons 92, 93, and 94 while controlling rotation of the respective drums 30, 31, and 32 for making the generators (plum symbols 2301a, 2301b, and 2301c) recognizable. Therefore, a player can grasp the generators when he/she watches the drums 30, 31, and 32.