Their physical appearance was not especially imposing: they were depicted as six limbed, relatively diminutive creatures (an appearance which would later be assigned to Tyranid Termagants). At that time they were not an emphasised race in the game, instead representing a limited number of occasionally encountered alien antagonists. Tyranids were first described in Warhammer 40,000: Rogue Trader, the first edition of the miniature wargame Warhammer 40,000. Giger, with the genestealer sub-race being further inspired by the Alien from the eponymous franchise. The visual design of the Tyranids was inspired by the art of H.