An erotic actor or erotic actress or a porn star is somebody who appears in pornographic movies. Many actors/actresses may appear nude in films (usually rather briefly) or on stage but even if they depict sexual behavior they are not considered erotic actors. Most erotic actors use stage names.
... it rotates all the time, making the task difficult. The player controls the direction and speed of movement (it's a 3-speed stick). Gameplay is very challenging ...