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    Home»Guides»Deltarune Chapter 3: How to get Z-Rank & Access the Secret Room
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    Deltarune Chapter 3: How to get Z-Rank & Access the Secret Room

    By Kirthana KJune 7, 2025
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    In Deltarune, you have to be at your best to get the top rank when it comes to battles and solving puzzles. Getting an S-Rank throughout your gameplay is the only way to get access to the level’s bosses. But, the game also throws a curveball at you, as there is a secret room in Chapter 3 that you can get access to only if you score a Z-Rank! This guide will explain how to do that in Deltarune.

    Deltarune Chapter 3 Z-Rank Score & Secret Boss Alternate Entrance

    Image via TheGameSlayer

    Here is how you should plan if you want to get a Z-Rank in Chapter 3 of Deltarune:

    • First off, don’t ace all your battles and try to take 8 turns or higher. But, keep an eye on your TP meter, and try not to get it over 70%
    • Don’t worry about taking hits in battle, as this will help you aim for Z-Rank.
    • Your next task would be to play at Tenna’s game show. Get all the answers wrong for this one. 
    • Tenna will then show you the door to the physical challenge. Head there instead of picking up the bonus key.
    • During the cooking challenge, play badly and get zero stars. Try not to die in the process, but do get some hits so your score will get lower. 
    • Also, do not to stay idle during the cooking game, as Tenna will make you redo the whole segment if your score is too low. Aim for a score just low enough by doing the bare minimum.
    • Once that is completed and you get your final score, watch the rest of the cutscene till you are led down the path towards the Z-Rank door.
    • Enter the door, then jump down the manhole to gain access to a secret room. You can explore the rest of the area and follow through with the same plotline as an S-Ranking player now. 

    In short, even if you play badly, you can still access the secret boss area and also claim the Shadow Mantle in Deltarune as you normally would. 

    Deltarune
    Kirthana K
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    Her lifelong passion of gaming led her to writing about them, bringing words to life and compiling comprehensive game guides that are quick and easy to follow. If not writing, you can catch her exploring Teyvat or the Palpagos Islands.

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