
In Poppy Playtime Chapter 5, players will find a three-digit code hidden in the Engineering Workshop around the middle of the game. This code unlocks a locker containing vital documents and a new ability: you’ll be able to use a grappling hook on magnetic surfaces, which is essential to continue playing.
We can’t simply give you the keypad code, as it varies for each player. This Poppy Playtime Chapter 5 guide will instead teach you how to discover your unique keypad code for the Engineering Workshop. Let’s begin!
How to Find the Engineering Workshop Locker Code in Poppy Playtime Chapter 5
Okay, so when I was trying to figure out the keypad code in the Engineering Workshop, the trick is not to stare at the keypad itself! Instead, you need to turn around and check out the whiteboard. I had to pick it up and flip it over, and then use my black light to reveal a circled purple number. It was 58 for me, but yours might be different – that’s the code you need!
Now, head back downstairs and examine all the packages that have numbers on them. Shine the black light to find the package with the same number as the one written on the whiteboard—it will be highlighted in purple and only visible under the black light.

Once you’ve located the correct box, look for the three-digit red number on its side—that number is the code you’ll need to open the locker upstairs in the same room.
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2026-02-19 05:10