"Support for head-mounted displays." That one little nugget about the upcoming Doom 3 BFG Edition stuck out like a sore thumb when this morning's news hit. If you wondered what that might look like, check out the video from The Verge , which shows giant goggles jerry-rigged by Doom co-creator John Carmack. When a Verge commenter cast aspersion on the tech Carmack used for his head-mounted display, the man himself showed to slap away criticisms . Don't argue with a genius, kids.