Poppy Playtime Chapter 4 presents some of the game's most challenging puzzles, many involving cryptic riddles. This guide provides all the puzzle codes and solutions to help you overcome these obstacles.
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- Poppy Playtime Chapter 4 Hangman Puzzle Code and Solution
- Poppy Playtime Chapter 4 Cage Calendar Puzzle Code and Solution
- Poppy Playtime Chapter 4 Prison Tower Puzzle Code and Solution
- Poppy Playtime Chapter 4 Secondary Labs Puzzle Code and Solution
Poppy Playtime Chapter 4 Hangman Puzzle Code and Solution

The first coded puzzle is located in the cell block. Ascend the stairs to the top floor and enter the observation area. Inside, you'll find a code terminal, a red button, and a whiteboard. There's a second red button near a large animal cutout, but it's purely for amusement.
The code is derived from the numerical values of the letters in the Hangman game's winning word: CELL.
The code is: 3255. Press the red button after entering the code to unlock the door at the far end of the cell block.
Poppy Playtime Chapter 4 Cage Calendar Puzzle Code and Solution

Solving this puzzle clears the red smoke from the prison block. Minimize your time in the smoke and proceed to the control room upstairs. Near the front window is a code panel; to its right, a whiteboard displays a sticky note instructing you to "check the CAGE." The top calendar row contains four jumbled letters. The code consists of the numerical values corresponding to these letters in the word "CAGE." (C=3, A=6, etc.)
The complete code is: 3642. The smoke will dissipate, allowing you to exit through the newly broken window to your left. While you can return downstairs, there's nothing new to find.
Poppy Playtime Chapter 4 Prison Tower Puzzle Code and Solution

After encountering Doey, you'll find yourself trapped in the prison's recreation yard. Climb the stairs and enter the office atop the blue tower. Inside, you'll discover a code terminal and a whiteboard listing colors—your first clue. The second clue lies in the towers themselves, specifically the second digit on each.
The correct sequence is the second digit of each tower, ordered according to the listed colors (blue, green, yellow, red). The blue tower's second digit is missing, but the sequence on the other towers dictates it must be 3.
The final code is: 3021. Retrieve the lever from the locker, insert it into the blue panel in the prison yard, attach chains from each tower to the door, and pull the levers to open it.
Poppy Playtime Chapter 4 Secondary Labs Puzzle Code and Solution

The Secondary Labs puzzle involves matching numbers to stuffed animal anatomy images. First, locate the remains of each experiment and interact with it to add its number to the database. Many rooms in the Doctor's Domain are filled with red smoke.
While you now possess a gas mask, its protection is limited. The most efficient approach is to explore the gas-filled maze in short bursts, returning to the operating room to refill your oxygen tank.

However, the experiments are hidden within a maze filled with red gas, and the game relies on auditory clues (sounds and dialogue) to guide you. These sounds intensify as you approach, but if you have hearing difficulties or are in a noisy environment, thorough exploration is necessary.
Upon returning to the operating room, each experiment will be displayed on a monitor with a number sequence. The last number in each sequence is the code digit, and the anatomy chart indicates the order: head, right arm, left hand, right leg, left foot.
Alternatively, you can bypass this and directly enter the code: 35198
Poppy Playtime: Chapter 4 is available now.