Help!

Help Requests
#1

My Game Works Fine Until I Get To Level 1-2 You Will Know What Im Talking About. http://flowlab.io/game/play/24627

#2

I Cant Jump And Shoot And The Zombies Stay Still

#3

But Not Lv 1

#4

I think your flying is a lot bigger of a problem. I thought you could only shoot if you got a gun.

#5

im trying