Please note that this guide is intended for use with the Committee of Zero overhaul patch.

If you haven't already, we highly recommend installing this patch; it introduces a wide range of improvements to the base CHAOS;HEAD NOAH experience, including (but not limited to) an enhanced, series-consistent translation, the restoration of censored story content, numerous bug fixes, and much more. A full list of improvements can be found on the project page.

At different points in Chaos;Head NoAH, you will come into contact with the “Delusion Trigger” system. Through it, you can choose if the protagonist experiences a positive delusion, a negative delusion, or no delusion at all.


Click the green button or press Left Trigger on controller to lock into a positive delusion; click the red button or press Right Trigger to lock into a negative delusion; or proceed normally to stay in reality.

This is the game's common route; it is required in order to access the rest of the game.

Choose any delusions you wish.

There is one bad ending in this route, triggered by making too many mistakes on a certain set of choices; it is recommended to try and solve it yourself first, but the answers will be below should you need them.

Once you reach this ending, certain delusions will now appear with YES/NO prompts on your next playthrough. As a general rule, in order to reach a character route, you must enter a specific delusion for each character and answer its subsequent prompts correctly.

Bad Ending:

Chapter 6
To get the bad ending, invert the answers below.

To proceed with the Common Route, select:
YES → YES → NO → NO → YES

This route is the sole exception to the rule mentioned before; rather than simply selecting a certain delusion and answering the prompts correctly, it requires a number of specific delusions to be viewed.

Start a new game, then view at least 10 of the following 18 delusions. Skip any route question prompts you might encounter along the away by giving only YES answers, and avoid the Bad Ending in Chapter 6 by answering those questions correctly.

Chapter 1
Neutral: I felt bad[...]
Neutral: “...!”

Chapter 2
Positive: ...looked at me.
Positive: “Hey, Neidhardt[...]”

Chapter 3
Positive: Dammit, this was not the time...
Negative: There were only five calls[...]

Chapter 4
Neutral: In this small, private room[...]
Negative: The police...

Chapter 5
Positive: Here's another example.
Negative: ...!

Chapter 6
Positive: Discouraged, I hung up the phone.
Neutral: Why were they fixated on me?

Chapter 7
Negative: Regardless, why had I been brought here?
Negative: “H-Hey, um[...]”

Chapter 8
Neutral: The hospital room had[...]
Negative: Gladioul[...]

Chapter 9
Positive: That voice...
Neutral: “For revenge!”

Chapter 1
Positive: “Is there nothing but Cola[...]”

NO → YES → NO → YES → YES

As you progress, a Nanami-related intermission will appear during the story. The skip mode will disengage during these scenes. Be sure to read them for additional context.

The game will branch into the route in chapter six.

Chapter 1
Neutral: I felt bad[...] (ch01_005_登校)

NO → NO → YES → YES → YES

As you progress, a handful of Yua-related intermissions will be interspersed throughout the story. The skip mode will disengage during these scenes. Be sure to read them for additional context.

The game will branch into the route in chapter seven.

Chapter 2
Negative: ...looked at me.
YES → NO → YES → YES → YES

As you progress, a handful of Aуase-related intermissions will be interspersed throughout the story. The skip mode will disengage during these scenes. Be sure to read them for additional context.

The game will branch into the route in chapter seven.

Chapter 3
Positive: And sure enough[...]

YES → YES → YES → YES → NO

As you progress, a handful of Kоzue-related intermissions will be interspersed throughout the story. The skip mode will disengage during these scenes. Be sure to read them for additional context.

The game will branch into the route in chapter seven.

Chapter 3
Neutral: She'd actually swung[...]
YES → YES → YES → YES → NO

As you progress, a Sena-related intermission will appear during the story. The skip mode will disengage during these scenes. Be sure to read them for additional context.

The game will branch into the route in chapter seven.

Chapter 1
Positive: I felt bad[...]
YES → NO → YES → NO → YES

As you progress, a handful of Rimi-related intermissions will be interspersed throughout the story. The skip mode will disengage during these scenes. Be sure to read them for additional context.

The game will branch into the route in chapter eight.

Accessible from the title menu after all other routes.
After playing for a bit, you will be met with a series of choices. It is recommended to try and solve it yourself first, but the answers are below should you need them.

Ending AA: YES → YES → NO → NO → NO → YES → YES → YES → YES → YES → YES → YES → YES → YES → YES
Any deviation from above will result in Ending A.

Prelude

Accessible from the title menu after Blue Sky.

The final achievements are tied to viewing all delusions, TIPS, CGs, as well as two specific results from the medical questionaire you fill out in Chapter 2.

Simply view all delusions—positive, negative, and neutral. This should help you get most of the CGs and TIPS as well. However, there are a couple CG variants that result from how you answered Grimm's questions in Chapter 1. Depending on your choices, Hazuki can wear glasses or not wear glasses.

For the questionnaire, you need to submit it twice—once with all boxes checked, and once with no boxes checked.

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