runner.png is based on Animated Runner Character by irmirx
 - Animated Runner Character: http://opengameart.org/content/animated-runner-character
 - irmirx: https://www.behance.net/irmirx
Creative Commons Attribution 3.0. Unported (CC BY 3.0) License: http://creativecommons.org/licenses/by/3.0/
