This content was released on Oct 8 2013. The official support period is 6-months from this date.
Learn how to make a game like Space Invaders in this 2-part Sprite Kit tutorial!
This is a companion discussion topic for the original entry at https://www.kodeco.com/2639-how-to-make-a-game-like-space-invaders-with-sprite-kit-tutorial-part-2