On November 14, 2013, in idevblogaday, by Steffen Itterheim Topics: Overall interest in cocos2d is waning. Unity and libgdx fighting for 1st place. Sprite Kit skyrocketing from day one. This sums it up. Now for the details. Since my last game engine popularity measurement I tried to improve and streamline the process. Game Engine Popularity on Stackoverflow.com For stackoverflow.com data I’m searc