Yami No Ketsuzoku Harukanara Kioku Game System: PC Engine Cheat Category: Cheat Game Company: Unknown Game Category: Unknown Hint, Cheat, Walkthrough:   Yami No Ketsuzoku Harukanara Kioku ================================== -Scene Select: ATS press Up, Up, Down, Down, Left, Right, Left, Right, II, I, I, II, Right, Left, Right, Left, Down, Down, Up, Up. -Sound Test : ATS press Left, Right, II, I, Run.