Enter one of the most unique and challenging shooters on the NES with Abadox: The Deadly Inner War. Developed by Natsume and released for the NES in 1990, this horizontally scrolling shooter sends you inside the body of a massive alien organism known as Parasitis. As the lone soldier Nazal, your mission is to rescue Princess Maria and destroy the creature from the inside out. Featuring intense difficulty, organic sci‑fi environments, and gameplay inspired by classics like Gradius and R‑Type, Abadox remains a standout cult favorite for retro shooter fans.