Norse Wars is a game by Matei originally built as a mod on Age of Mythology and adapted as Fort Wars by pftq on Age of Empires III.
Age of Mythology and Age of Empires III are games owned by Microsoft Studios and are not associated with Norse Wars or Fort Wars.
Norse Wars X is being developed as a stand-alone game by pftq and distributed by Autodidactic Studios LLC.
For Nostalgia: Old Norse Wars Site / Old Fort Wars Site