Here my laser defend version. I know that there are a lot of things to implement and improve (bosses, animations, selectable player, graphics, better VFX and SFX, mobile version, ecc) but for now i go ahead with the course. 
Here the link:
AlienHater
waiting for feedback 
4 Likes
I don’t know what you are talking about. It plays great and is a lot fun. All I would say is continue on with the course and keep experimenting while making games.
I meant that there are many things to do to make the game complete and fun.
I just added some animations and uploaded the new version to “share my game”.
Thanks for the encouragement!!! 
Now I’m following the garden glitch project
p.s. Sorry about my bad English