Astyanax is a 1990 side‑scrolling action‑platformer developed and published by Jaleco. Originally released in Japan as The Lord of King, the NES version is a reimagining of the arcade game The Astyanax, featuring a different story, altered gameplay, and unique level design. You play as Astyanax, a 16‑year‑old who is transported to the fantasy world of Remlia after dreaming of a princess calling for help. Armed with a powerful axe and magical abilities, you battle through mythic landscapes to rescue Princess Rosebud from the evil wizard Blackhorn