Feedback on rejected tracks

Hey, guys!
My 5 tracks was rejected. Please, give me some feedback what you think about this. What I do wrong and what i can do better for feauture?

spend some more time in mixing sounds etc and then you can submit, all tracks and sounds are prety dry without reverb - delay etc

Thank you!!! Unfortunately, I can’t send these works again. This reject does not allow me to do this.