Little Nightmares III Guide | First Locked Door Key Location (Chapter 3)

Here's a guide on the location of the first Locked Door Key in chapter 3 of Little Nightmares III.

Game Guide by Ragib Rawnak on Oct 14, 2025

While progressing through Chapter 3, you’ll see a Locked Door that requires a Key. In this guide, you’ll learn learn the location of the Key.

Little Nightmares III, Guide, First Locked Door Key Location, Chapter 3

Navigating the Next Area

Proceed through the door on the left side of the main hallway. Inside, you will come across a man lying on the floor. Move toward the left side of the wall and climb up the tables to reach a small vent. Enter the vent to access the next area in Little Nightmares III.

Little Nightmares III, Guide, First Locked Door Key Location, Chapter 3

Retrieving the Key from the Dummy

In the following room, you will encounter a locked door and a Puppet tied to a pipe. The key required to unlock the door is located inside the Puppet. To obtain it, have Low shoot off the Puppet’s head, allowing Alone to break it open with her Wrench. Once the head is destroyed, collect the Key and use it to open the locked door ahead in Little Nightmares III.

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