The screen flickered. The ghost quest reactivated itself. A single objective appeared:

Some players have managed to access the quest by playing the game

There are three main reasons why Level 36 might be giving you trouble:

The Vizier laughed, turned into a stack of cards, and blew away in the wind. Behind him, the door of black light opened. Inside was not a boss arena.

Unlike other levels with clear goals, Quest 36 simply reads "MISSING QUEST" to mess with the player's head. How to Beat Quest 36