Hotaru no Nikki: The Firefly Diary

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htoL#NiQ: The Firefly Diary
htoL#NiQ: The Firefly Diary cover
Nippon Ichi Software
Windows Laurel Code[1]
NIS America
Release dates
Windows May 18, 2016
Hotaru no Nikki: The Firefly Diary on Wikipedia

Due to highly stylized name of the game, articles name is based off the games original name without styliziation.

Key points

Frame rate is capped at 30 FPS.[2]

General information

Official site
Steam Community Discussions


Source DRM Notes Keys OS
Humble Store
Icon overlay.png
Icon overlay.png
All versions require Steam DRM.

Game data[edit]

Configuration file(s) location[edit]

System Location
Windows <path-to-game>\settings.ini[Note 1]
Steam Play (Linux) <Steam-folder>/steamapps/compatdata/368640/pfx/[Note 2]

Save game data location[edit]

System Location
Windows <path-to-game>\data\save\savedata.sav[Note 1]
Steam Play (Linux) <Steam-folder>/steamapps/compatdata/368640/pfx/[Note 2]

Save game cloud syncing[edit]

System Native Notes
Steam Cloud


General settings.
General settings.
Resolution settings.
Resolution settings.

Graphics feature State Notes
Widescreen resolution
16:9 aspect ratio only.
4K Ultra HD
Maximum available resolution is 1920x1080, many assets are done for much lower resolution.
Field of view (FOV)
Borderless fullscreen windowed
From settings, select scaling Stretch, this will stretch the selected resolution to fit borderless window.
Anisotropic filtering (AF)
Anti-aliasing (AA)
See the glossary page for potential workarounds.
Vertical sync (Vsync)
See the glossary page for potential workarounds.
60 FPS and 120+ FPS
Frame rate is capped at 30 FPS.[2]
High dynamic range display (HDR)


Keyboard and mouse, touch State Notes
See the glossary page for potential workarounds.
Mouse acceleration
Mouse sensitivity
Mouse input in menus
Mouse Y-axis inversion
Touchscreen optimised
From Control schemes, select Mouse.
Controller support
DirectInput only.
Full controller support
Main menu requires mouse input.
Controller remapping
Movement cannot be rebound.
Controller sensitivity
Controller Y-axis inversion
Additional information
Button prompts Input settings icon - Generic Controller.svg
Controller hotplugging
Haptic feedback
Simultaneous controller+KB/M


Audio settings.
Audio settings.

Audio feature State Notes
Separate volume controls
Music and effects.
Surround sound
Closed captions
Mute on focus lost


Language UI Audio Sub Notes

Other information[edit]


Technical specs Supported Notes
Direct3D 9, 11
Executable 32-bit 64-bit Notes

System requirements[edit]

Minimum Recommended
Operating system (OS) Vista, 7, 8.1, 10
Processor (CPU) Intel Core i3-2310M 2.10 GHz
System memory (RAM) 2 GB
Hard disk drive (HDD) 2 GB
Video card (GPU) Intel HD Graphics Family
DirectX 11 compatible
Sound (audio device) Realtek High Definition Audio


  1. 1.0 1.1 When running this game without elevated privileges (Run as administrator option), write operations against a location below %PROGRAMFILES%, %PROGRAMDATA%, or %WINDIR% might be redirected to %LOCALAPPDATA%\VirtualStore on Windows Vista and later (more details).
  2. 2.0 2.1 File/folder structure within this directory reflects the path(s) listed for Windows and/or Steam game data (use Wine regedit to access Windows registry paths). Games with Steam Cloud support may store data in ~/.steam/steam/userdata/<user-id>/368640/ in addition to or instead of this directory. The app ID (368640) may differ in some cases. Treat backslashes as forward slashes. See the glossary page for details.