In a similar spirit to Freedoom, for Quake fans perhaps you'll want to take a look at LibreQuake, which aims to do a similar thing to allow you to play Quake content with completely open source software.
Do I understand it right that it’s a free replacement of the still copyrighted game assists such as textures and models, and not the code itself? I’m curios if the level design wouldn’t also fall into this.
Do I understand it right that it’s a free replacement of the still copyrighted game assists such as textures and models, and not the code itself? I’m curios if the level design wouldn’t also fall into this.