I believe I proved that 20 years ago already. At least that&#x27;s what the relevant art historians write in their books. ArsDoom 1995. <a href="https:&#x2F;&#x2F;www.google.de&#x2F;search?q=ArsDoom+game+art" rel="nofollow">https:&#x2F;&#x2F;www.google.de&#x2F;search?q=ArsDoom+game+art</a>