JS Scratch Game Challenge: Space Game Advanced

Challenge Description
Scratch Game Challenge: Space Game Advanced
Summary: Shoot the space invader to survive termination – game time and score with 2 levels
Player Sprite:
– Moves horizontally with keyboard or GamePad inputs
Enemy Sprite:
– moves horizontally then downwards
– resets to top if touching Projectile
– game over if touching Player
– clones propagate
– manage gametime and score
– for level 2 double the number of clones and advance them faster
Projectile Sprite:
– moves vertically with keyboard or GamePad input
– if touching alien causes it to dissappear
Intro Sprite:
– display game info until mouse down
Game Over Sprite:
– display when game time expires
Flowchart
Instructions
Complete the Simulator Coding Challenge in the ScratchBlocks Editor, save your file then upload under the Submission heading below, then check your GradeBook for feedback and a grade