Eternal Darkness' infamous sanity system patent has expired - so can anyone now copy it?
GameCube exclusive Eternal Darkness remains a cult classic among video game horror fans for its patented 'sanity system' - a series of paranoia-inducing effects meant to confuse the player and reflect your in-game character's spiralling psyche. Read more
GameCube exclusive Eternal Darkness remains a cult classic among video game horror fans for its patented 'sanity system' - a series of paranoia-inducing effects meant to confuse the player and reflect your in-game character's spiralling psyche.
