Tsukihito Amanuma (天沼 月人, Amanuma Tsukihito), also known as Gamemaster (遊熟者(ゲームマスター), is a human who develops superhuman powers as a result of the demon plane hole opened by Sensui. He is rejected from kids his age because of his extreme love of video games since most kids play sports. Amanuma is able to bring video games to life, creating his territory within them. He along with Gourmet capture Kuwabara. He is killed by Kurama when it becomes clear that his territory can not be closed unless someone loses the game. Amanuma is pitied by Koenma and is brought back to life by Koenma's pacifer that is filled with strong spirit energy. He lives a normal life afterward and even makes new friends his age. In the anime television series, Amanuma is voiced by Monica Rial.