Improvements: 1) add a timer feature.
2) add some Kong API, look at the shootorial's to take some code.
3) add a life feature, look at the shootorial's to take some code.
4) Improve the images
5) Improve the background
6) add music.
1/5
The alien ships (EnemyShip) does spawn, just late because we added an extra 50 pixels on the right so it takes time for the ships to move onto the stage.
Loving the tuts btw, I prefer having the tuts spaced out because then I have time to mess around with the code (changing variables to the extreme ;D)
I own, +2048. I like most of your forum posts btw. I'll add you to my friends, please add back. If you ever need a writer for your games (future ones) then drop me a line. Gimme a trial.. D:
 "Attack of the balls - the good version"){kind=icon}
 "3000 AD"){kind=icon}
 "Frantic"){kind=icon}
 "Starland Multiplayer TD"){kind=icon}
 "The only game better than Fancy Pants"){kind=icon}
 "SHIFT 3"){kind=icon}
 "Microbe Kombat"){kind=icon}
 "Body Ladder"){kind=icon}
 "Shootorial #4"){kind=icon}
 "Distopix"){kind=icon}
 "Warfare: 1917"){kind=icon}
 "Meat Boy"){kind=icon}
 "McDonald's Videogame"){kind=icon}
 "Fantastic Contraption"){kind=icon}
 "Super Awesome Ninja Game!"){kind=icon}
 "The Several Journeys of Reemus: Chapter 1"){kind=icon}
 "I wish I were the Moon"){kind=icon}
 "Kaleidoscope Reef"){kind=icon}
 "R.P.S. Addict"){kind=icon}
 "Whiteboard Tower Defense"){kind=icon}