Eternal Darkness

Eternal Darkness: Sanity's Requiem is a psychological horror action-adventure video game developed by Silicon Knights and published by Nintendo, using themes of Cosmic Horror. Originally planned for the Nintendo 64, it was switched to the GameCube for development and released on June 24, 2002. It is the first M-rated game published by Nintendo as well as their first game released after Satoru Iwata became President of Nintendo.