Licenses for the sound files
=============================

*boost.mp3*

Created by IFartInUrGeneralDirection and distributed under
Creative Commons 3.0 Attribution 3.0 Unported license.

*crash.mp3*
Created by qubodup and is published into Public Domain.

*wind.mp3*
Created by kangaroovindaloo and distributed under
Creative Commons 3.0 Attribution 3.0 Unported license.

This SFX is further cutted and adjusted by Licson.

*bg.mp3*
Created by mu6k and is released into Public Domain.

Further adjusted by Licson.

*destroyed.mp3*
Created by beman87 and is distributed under Creative Commons Attribution 3.0 Unported license.

This SFX is further adjusted by Licson.