Can't stop shooting!

Hero's arm cannon has jammed so you can't stop shooting. You have to go back to your home to fix it without hurting the civilians on your way.

Controls: Arrows = move and aim
                      Z = Jump

                      Up = Open your house door   
                      R = Restart the level         

Music and sound effects I used

https://freesound.org/people/LittleRobotSoundFactory/sounds/270343/