Before Islands of the Caliph, there was #Catacombs_of_the_Necromancer! It was my submission to the E1M1 Game Jam.  A lot of the art from Islands began in this game, and it even got a blurb in the magazine, in volume #9, right next to #SquirrelStapler :) 

schmidt-workshops.itch.io/catacombs-of...