DOOM + DOOM II: Why Choose If You Can Have Both?. I’ve always considered 1994’s DOOM II to be more of an expansion to 1993’s DOOM—a very necessary one, that is: who would want to play DOOM without the double barrel shotgun? I can live without that chainsaw, but the super shotgun, no way. It’s not only packing a punch, rapidly becoming my favourite weapon to put holes though Pinkies, but also inspiring future (retro) shooters to have keyboard slot 3 reserved for that double buckshot ...