Chaos;Head

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Chaos;Head
Chaos;Head cover
Developers
5pb.
Nitroplus
Publishers
Nitroplus
Engines
N2System
Release dates
Windows April 25, 2008
Taxonomy
Modes Singleplayer
Pacing Relaxed
Perspectives First-person
Controls Menu-based
Genres Visual novel
Art styles Anime
Themes Contemporary, Detective/mystery, Japan, Supernatural
Series Science Adventure
Chaos;Head on HowLongToBeat
Chaos;Head on IGDB
Chaos;Head on MobyGames
Chaos;Head on Wikipedia
Science Adventure
Chaos;Head 2008
Steins;Gate 2009
Steins;Gate: Variant Space Octet 2011
Chaos;Child 2016
Steins;Gate 0 2016
Steins;Gate Elite 2019
Steins;Gate: Linear Bounded Phenogram 2019
Steins;Gate: My Darling's Embrace 2019
Robotics;Notes DaSH 2020
Robotics;Notes Elite 2020

Warnings

This game is only playable in English with a fan translation (see Localizations for details and other supported languages).

Key points

Original 2008 release. Does not include the graphical improvements and additional character routes from Chaos;Head NoAH.

General information

Visual Novel Database article
Kiri Kiri Basara - An English fan site and news resource for the Science Adventure series.

Availability[edit]

Source DRM Notes Keys OS
Official website
DRM details are not known
Japan only.
Windows
A guide for purchasing Chaos;Head outside of Japan can be found here.

Essential improvements[edit]

English translation[edit]

Both patches leave a large majority of the TIPs list untranslated.
Use Chaotic;Head
The currently recommended English fan translation patch that includes the fixes from Di-Patch on top of some additional improvements, including removing the requirement to use Locale Emulator and adding multiple alternative text font options. The patch's webpage also includes instructions for installing the Lingerie Conversion System fanservice DLC.
  1. Extract the contents of the downloaded zip folder.
  2. Run Chaotic_1.30.exe.
Use Di-Patch
Older translation patch that fixes typos and various other issues that the original English fan translation introduced.
The game will still require Locale Emulator to run on non-Japanese systems.
Has since been superseded by the Chaotic;Head patch above.
  1. Extract the contents of the downloaded zip folder.
  2. Copy all files inside the Di-Patch 2.5 folder into the main game folder.

Game data[edit]

Configuration file(s) location[edit]

System Location
Windows %APPDATA%\Nitroplus\CHAOS;HEAD

Save game data location[edit]

System Location
Windows %APPDATA%\Nitroplus\CHAOS;HEAD
Folder name changes to CHAOTIC;HEAD when using the Chaotic;Head patch.

Video[edit]

Graphics feature State Notes
Widescreen resolution
Resolution is locked to 800 x 600.
Multi-monitor
Ultra-widescreen
4K Ultra HD
Field of view (FOV)
Windowed
Toggle in menu or with F.
Borderless fullscreen windowed
See the glossary page for potential workarounds.
Anisotropic filtering (AF)
Anti-aliasing (AA)
Vertical sync (Vsync)
See the glossary page for potential workarounds.
60 FPS
120+ FPS
Frame rate is capped at 60 FPS.

Input[edit]

Keyboard and mouse State Notes
Remapping
See the glossary page for potential workarounds.
Mouse acceleration
Mouse sensitivity
Mouse input in menus
Mouse Y-axis inversion
Controller
Controller support
See the glossary page for potential workarounds.

Audio[edit]

Audio feature State Notes
Separate volume controls
Separate sliders for voices, music and sound effects with additional sliders for each individual character's voices.
Surround sound
Subtitles
Closed captions
Mute on focus lost

Localizations

Language UI Audio Sub Notes
English
Multiple fan translation patches are available, see English translation.
Japanese

Issues fixed[edit]

Game freezes/no rain during the prologue[edit]

Install the Basic version of the K-Lite Codec Pack.[1]

Poor performance on Windows 10[edit]

Use Compatibility Mode[1]

Run the game in compatibility mode for Windows XP (Service Pack 3).

Other information[edit]

API[edit]

Executable 32-bit 64-bit Notes
Windows

System requirements[edit]

Windows
Minimum Recommended
Operating system (OS) XP
Processor (CPU) Intel Pentium III
AMD Athlon XP 1500+
System memory (RAM) 256 MB
Hard disk drive (HDD) 3 GB
Video card (GPU) 32 MB of VRAM
DirectX 9.0c compatible
Other Minimum resolution of 800 x 600

References