Abadox

source: wikidata1988 NES video game

source: wikipedia_enAbadox: The Deadly Inner War (アバドックス, Abadokkusu) is a horizontally scrolling shooter for the Nintendo Entertainment System published in Japan in 1989 by Natsume and North America in 1990 by Milton Bradley Company. It is in the vein of Gradius and R-Type, taking place inside the intestinal tract of a giant alien organism. Abadox has a high difficulty, and it takes one hit from an enemy projectile to be killed and restart from a checkpoint passed before death.

source: romu巨大な宇宙生物の体内を舞台にしたシューティングゲーム。グロテスクなビジュアルと高難度が特徴。