That night, Harry suddenly realized he had an urgent task ahead of him—one he’d set for himself. But he needed to be careful, because he risked getting his robe dirty if Filch saw him or if the other Hogwarts residents played pranks on him.
Author’s note: It’s best to play this level on April 1.
Author: HPLabs
Main game: Chamber of Secrets (M212)
Difficulty: Medium
Date Added: 01 Apr 2026
Download. How to download modifications to games?
Installation
Extract from the archive folder of modification and copy them to a folder with the game.
Starting
- run the game with debug mode enabled;
- choose any save that can be ruined (it is better to start a new game and get to the point where you have control of Harry);
- go To the menu by pressing Esc;
- press F4;
- in the list to find the file UrgentNightmission.unr and to apply to it, double-click the primary mouse button (default — left).
Video Walkthrough (can be used cheats)
Note: after downloading the modification from any site, be sure to scan it with antivirus software.