THIRD-PARTY NOTICES - Sled Hill

These parts are not covered by the game's CC BY-NC-SA license. They keep their own terms.

GBDK-2020 library and SDCC run-time libraries
  GPL version 2 with a linking exception: linking them into the cartridge does not by itself
  put the cartridge under the GPL. Full text: licenses/GBDK-library-GPLv2-linking-exception.txt
  https://gbdk-2020.github.io/gbdk-2020/

hUGEDriver (music engine) by SuperDisk and contributors
  Public domain. https://github.com/SuperDisk/hUGEDriver
