Localization | Notion

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You can add or modify localization packages within mods. To do so you will need to add a localization package within your mod folder.

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This quick guide assumes you already have a mod folder. If not, please familiarize yourself with this section to create one.
In your local mod folder, create a new folder called ‘StreamingAssets’.
Within this folder, create a new folder called ‘Strings’.
Within this, you want to create a folder for your new localization, or if you intended to replace an existing one; a folder with the matching name.
For the game to recognize this as a localization package, you’ll need to create a text file within this language folder named ‘ LanguageSettings.txt’. For English, this settings file is configured like this:

{
    "languageCode": "English",
    "displayName": "English",
    "documentColumn": 1,
    "systemLanguage": 10,
    "swapCitizenTitleOrder": false,
    "staticKillerMoniker": false,
    "startText": "Press Any Button",
    "useShortenedDays": true,
    "shortenedDaysLength": 3
}

The parameters are explained below:

Parameter	Inputs	Notes
languageCode	[language code]	The internal name for your language. This should match the folder name.
displayName	[language name]	The displayed name for your language.
documentColumn		You can ignore this parameter, as it’s used for us to import new localisation internally.
systemLanguage	[integer]	System language as defined here: https://docs.unity3d.com/6000.2/Documentation/ScriptReference/SystemLanguage.html
swapCitizenTitleOrder	true/false	Display 'Mr' etc after the name.
staticKillerMoniker	true/false	If true will use a limited pre-defined pool of killer monikers, as sometimes these can be very tricky to compile together in the same way as you can in English.
startText	[starting screen text]	When the start screen is displayed, the language banks are not yet loaded; so here we have a reference as to what to display on the start screen.
useShortenedDays	true/false	Uses short version of days in-game on occasion (eg ‘Mon’, ‘Tue’ etc) by taking the first x letters.
shortenedDaysLength	[integer]	If above is true, how many letters from the start of the whole day name do we sample?

You can now add .csv files to supply localized content in the game.
To do this, grab this csv template file:

template.csv
Many csv editors are available that are capable of producing the correct format, but here are the settings as displayed in Open Office:

The first column contains the in-game key reference; this is a static reference the game uses to detect what to display.
You can skip the second column, this is not read by the game and is only there to make notes for localizers.
The third column contains the text displayed in game.
You can ignore the next 3 columns, but under the column titled ‘Misc.’ if possible we want to add a date in the following format: ‘13:22, 14/11/2025’, this isn’t required but it can be useful if you want to track when a localization entry was added to the game.
It’s going to be useful to see what files the game is looking for, you can easily access examples within the main game files. To do this, locate the main game directory, then navigate to: Shadows of Doubt_Data/StreamingAssets/Strings/ where you can see all the languages the game supports by default.
You can open any of the .csv files here with the above settings.