All the original creators for sounds and the licenses they use are listed here. Every sound NOT listed here or in the MUSIC LICENSES file is released under the Creative Commons CC0 1.0 Universal license (Public Domain) <http://creativecommons.org/publicdomain/zero/1.0/legalcode>.

Sounds are listed in the following format:
*name(s) of sound file(s)*
*original creator*
*license*

click1, click2
Sebastian
Creative Commons Attribution 3.0 Unported

click3, click4
Mike Koenig
Creative Commons Attribution 3.0 Unported

splat, splat2
Rock Savage
Creative Commons Sampling Plus 1.0

splat3
Michael Manzke
Creative Commons Attribution-NonCommercial 3.0 Unported

snow1, snow2, snow3, gravel, gravel1, gravel2
Snoman
Creative Commons Sampling Plus 1.0

jetpack
swelk
Creative Commons Sampling Plus 1.0

crash
Mike Koenig
Creative Commons Attribution 3.0 Unported

wind
ERH
Creative Commons Attribution 3.0 Unported
