Hello and a good day to everyone,

I really enjoyed the game and would like to create a Portuguese-Brazilian translation. The only issue is that I can't find any xnb files with this type of font. Could you help me?

Good question, and thank you for your interest in creating a Portuguese-Brazilian translation! That's really awesome.

The default xnb files are very limited due to being spritesheets, ie, raw images of glyphs that are pulled from to draw text in-game. Localization mods can instead make use of .ttf font files which are much more flexible and readily available. They're also bundled with the sample localizations which can be found within the Crystal Project installation files here:

GOG Galaxy/Games/Crystal Project/Crystal Edit/Samples/Localization Samples.zip

Most of the localization samples make use of .ttf versions of the same fonts used in the vanilla xnb spritesheets, but for languages which require glyphs that aren't available in those fonts, I used Noto Sans.

The challenge is configuring the .ttf fonts to display correctly in-game, but if you use one of the localization samples as a base, that should hopefully already be done for you.