Firelights is a product of Fari RPGs (https://farirpgs.com/), but the text of Firelights is available for use under the Creative Commons Attribution CC-BY 4.0 license.
To make your own game Guided by Firelights, simply include the following text in your game:
This work is based on Firelights, product of Fari RPGs (https://farirpgs.com/), developed and authored by René-Pier Deshaies-Gélinas, and licensed for our use under the Creative Commons Attribution 4.0 License (https://creativecommons.org/licenses/by/4.0/)