Background music:
- "Cropped Dirt Rhodes" by Kevin MacLeod (https://incompetech.com)
  Licensed under Creative Commons: By Attribution 4.0
  http://creativecommons.org/licenses/by/4.0/
  File: sounds/cropped-dirt-rhodes-by-kevin-macleod.mp3

Sound effects from Kenney (https://kenney.nl), licensed under CC0 1.0.
See sounds/KENNEY_LICENSE.txt for the full license text.

Files used:
- sounds/click.ogg (Interface Sounds, click_001.ogg)
- sounds/confirm.ogg (Interface Sounds, confirmation_001.ogg)
- sounds/bounce.ogg (Interface Sounds, bong_001.ogg)