Happy Flappy Bird
This is a Flappy Bird clone built using Apple's SpriteKit framework. It's a simple game that comes with two modes:
Flappy mode: A very close clone of the original game in which you try to escape the pipes. Hitting the floor does not kill you, but this can be easily added as well.
Happy mode: Serenity. No pipes, just flying. You never die.
We will put together more information and a tutorial on how to build this game with step by step instructions soon.