Neon Genesis Evangelion: Girlfriend of Steel, also known as Neon Genesis Evangelion: Iron Maiden, is a video game based on the Gainax anime/manga series Neon Genesis Evangelion, released officially only in Japan for the PlayStation, Sega Saturn, PlayStation 2, PSP, Windows (PC), and Macintosh. On January 20, 2005 a sequel was released titled "Neon Genesis Evangelion: Girlfriend of Steel 2nd" for the Playstation 2, and while it does feature much of the cast of the original game, the story is unrelated to the original's.