A modified version of an already free-use image, without skulls. It might suit some purposes to have the image without skulls and it's a good back-up in case the original one gets deleted because the skulls might be considered copyrightable.
Brace Yourself Games (original), Nasch92 (modified version)
<div class="thumb tleft"><div class="thumbinner" style="width:182px;"><a href="//commons.wikimedia.org/w/index.php?title=Special:Upload&amp;wpDestFile=Crypt_of_the_NecroDancer_logo.png" class="new" title="File:Crypt of the NecroDancer logo.png">File:Crypt of the NecroDancer logo.png</a>  <div class="thumbcaption"></div></div></div>