The background music was downloaded from youtube:
https://www.youtube.com/watch?v=4vItK3-Shyw In the game we use following audio clips:
https://freesound.org/people/qubodup/sounds/163275/
https://freesound.org/people/klankbeeld/sounds/237359/
https://freesound.org/people/Robinhood76/sounds/82692/
https://freesound.org/people/lidem_soundfx/sounds/458495/
https://freesound.org/people/MWLANDI/sounds/85862/
https://freesound.org/people/HonorHunter/sounds/271666/
https://freesound.org/people/editor_adp/sounds/269482/
https://freesound.org/people/philip1789/sounds/244370/
https://freesound.org/people/philberts/sounds/71513/
https://freesound.org/people/Benboncan/sounds/60117/
https://freesound.org/people/redjim/sounds/32573/