Wow! Thank you so much for all the feedback man, it's very helpful :)
A few of the things you mentioned have been fixed on my local build but I was holding off uploading until there's more things in the game or more things have been fixed :)
Also the Rage Mode + Slow Mo are just temporary at the moment, we were testing them and thought we might as well put them into the demo if people want to play around with them, that's also why nothing seems to happen when you press rage mode, it'll be finished for the full game ;)
But overall thanks so much, you made a lot of really good points and we really appreciate you taking the time to write it all up!
Best Regards, Anthony.