Where is the key to unlock the lock door in the house of Anubis game on nick?

In the game "House of Anubis" on Nickelodeon, the key to unlock the locked door is typically found by solving puzzles or completing challenges within the house. Players often need to explore different rooms, interact with items, and gather clues to locate the key. Pay attention to hints provided in the game, as they can guide you to the key's location. If you're stuck, revisiting previously explored areas might also help uncover the key.