ADVANCED DUNGEONS AND DRAGONS: TREASURE OF TARMIN for your Intellivision. From the back cover of BLUE DEVIL #1, 1984.
Did I play this game a lot? You bet I did. I had the purple books which let you transmute your items to platinum and mete out death-dealing force upon the ants and giants and minotaurs standing in my way. And yeah, the graphics were JUST AS GOOD as that screenshot you see there. Your imagination did the rest of the work. Every doorway was terror.
An Original FPS