
Screenshot by destructive
What is hidden behind these doors?
during Delterune Chapter 3, you will participate in Tenna’s game show and get a ranking based on your performance. After getting the result from your first round, you will arrive in a green room, with a suspected door blocked by a guard.
When assured to leave the guard, you will visit its hallway, only an ancestral lock system. What is Tena hiding? What is behind this door? This is why we are here to find out. Let’s find out the passcode of the ancestral lock system Delterune Chapter 3.
What is Parental Lock System Code in Deltarune chapter 3?
The first passcode of the ancestral lock system is 213You can get answers by interacting with the game console near the lock system doors. The character you play will determine how you will get the answer.
First ancestral lock system code
If you are following the story of Chapter 3 without diving in mysteries, then you will play these games as Susie. To solve this puzzle as a sui, lift the head for the left monitor, one of the blue blocks, and toss it on the button on the third monitor. By doing this, the third digit shows, “3.” From here, you can use “2,” weeding capabilities of Susie and “1.” The rest of the blue boxes can be removed.

If you have already played the game behind the S-Rank doors, you will be able to play as Chris. Playing as Chris is a bit easy, as you can use their sword to swipe grass and boulder on the screen. Then, by pressing the blue button, you will see the final number and get all three points.
First, it will appear on your screen as “123”. If you try to punch it in the passcode box of the door, it will appear as wrong. The key is how each display is connected. The second monitor has brick walls on its left side, while the first two exit. If we rearose these two to have a linear sequence, the password becomes 213.
Second parents lock system code
After an exchanges between Ralsei and Kris, you will have a second parents to enter the lock system code. As before, you can interact with a huge monitor to solve its riddles. As before, how you do it depends on the character you are playing.

If you are playing as a suy, you will see that each path connects, although not linearly on each screen. You will also get a key, but as you see it, it will run away. Your goal is to choose two blue blocks and use them as obstacles, implicating the key in a limited location so that Susie can collect it and open the door. Doing this shows the passcode “1225,
If you are using Chris, you can use your sword to open the ladder, which can immediately disclose the passcode. This is a very easy, but it seems some work to unlock it.
Published: June 4, 2025 09:29 pm