The sounds on this map were obtained from https://freesound.org
Sound list:

[ Retro, Coin 05.wav ]
by MATRIXXX_
https://freesound.org/s/443258/
License: Creative Commons 0

[ 8-bit Deny/Error sound ]
by philRacoIndie
https://freesound.org/s/551543/
License: Creative Commons 0

[ Jump end.wav ]
by BehanSean
https://freesound.org/s/422419/
License: Creative Commons 0

["outer space air.wav"] 
by celestino.anthony
https://freesound.org/s/172457/
License: Attribution 3.0