From publisher blurb:
On a lonely and sinister hill, under a permanent spell of midnight, sits the most wondrous sight you’ve ever seen: a shimmering neon castle known as the “Phantom Citadel.” Rumored to be filled with dozens of bizarre traps, evil toy monsters, and more riches than your greedy little hands can hold! It is owned by a giggling madman whose reign of terror over the locals needs to be put to an end. Treasures beyond your wildest dreams are waiting for those brave souls willing to venture into the Funhouse Dungeon of the Puppet Jester
This is a 40 page PDF RPG Module for Levels 1-3 AD&D 1E (FIRST EDITION), OSRIC or OSR role-playing games. This module is designed for using 4-8 characters of levels 4 to 7. The party should consist of Fighters, Clerics, Magic Users, and a couple of Thieves, but you are free to figure out what works best for you and your group.