I recommend Godot. Unity's also got lots of great tutorials, especially brackeys. Idk about GDevelop but I've heard it's really good for beginners. It's mainly just your choice and what do you like.
I say that you should take your time to learn the engine before entering a jam, maybe enter the next one and learn the engine Properly first. Their are a lot of useful features you can find about in furcifers videos. They have got some very useful tips and tricks to help you out.
