Reading the comments below I take it this is your first Jam Entry. I have a few (hopefully helpful) suggestions. I haven't looked at the source code yet but the prototype is good. You have a Game Loop, Music and Smooth Mechanics.
- You can work on the camera next as it will greatly improve the user experience.
- You try some free assets from the Unity Asset Store that will give a very good facelift to the prototype. eg Kenny's Assets.