The title suggests a fan-made blend, combining the horror atmosphere associated with Five Nights at Freddy's with the aggressive chase energy linked to Doom. Short clips like this circulate on soundboards and in fan edits because they pack a complete chase arc into under nine seconds. Creators reuse it for gameplay montages, animations and meme videos where a longer song would drag, and its recognisable horror-game feel makes the danger clear instantly without dialogue or explanation.