Okay! Thank you very much, I think.

Do you mean that without GPL my access to my own project can vanish?

Most game developers don’t want to open source their games, so I think a permissive license is probably the easiest choice for a game engine.

That’s why I was considering a permissive license in the first place, yes.

Okay, so it’s a threat if I use a permissive license. Thank you very much! I’ll think about it.

Horrible? Okay, then. Can you explain why? I mean, I know that Ren’Py is using MIT, and there are no problems with anything as far as I can tell. So, what’s wrong with it?

Long story short, it all started with an argument between me and a guy who thought only Japanese VN-related anything is usable normally, and that all Western VN-related software (Ren’Py included) are either clunky or laggy garbage. He also gave a Japanese novel engine called Light.vn (don’t mind the link, it’s the engine name) as an example (there is a killer feature in it: WYSIWYG editor). So I started my engine to prove him wrong.

After some time, I really saw that Ren’Py is not as fast as it was when I started to use it long ago. But that’s because it uses modern Python, which is by itself not too fast and lightweight anymore.

That’s why I write my engine in C and aim to make it much faster than Ren’Py and with better UX. Not speaking of a desire to create something meaningful myself.