Hollow Knight - Gods & Nightmares on

Tim Burton's The Nightmare Before Christmas: The Pumpkin King

Nightmare King Grimm, Hollow Knight Wiki

IELLO: King of New York, Power Up Strategy Board Game, Use with Both King of New York or King of Tokyo, 40 Minute Play Time, for 2 to 6 Players, Ages

12 Video Games Releasing This Fall: Mortal Kombat, Super Mario Bros. and More - The New York Times

Art] [Subclass] Pact of the Pumpkin King – A “Nightmare Before Christmas” themed subclass, complete with eldritch invocations, pact boon and new familiar : r/DnD

Hollow Knight - Wikipedia

Little Nemo: Adventures in Slumberland (1989) - IMDb

As a hater of Slime, this TH level is a nightmare. : r/TwoDots

A horror game based on Nordic folklore.

Nightmare Dungeons Explained in Diablo 4 - Nightmare Difficulty - World Tiers, Diablo IV