dfcaverns_squish.1.ogg - from https://freesound.org/people/DrMinky/sounds/167074/ by DrMinky under Creative Commons BY 3.0
dfcaverns_squish.2.ogg - from https://freesound.org/people/DrMinky/sounds/167075/ by DrMinky under Creative Commons BY 3.0
dfcaverns_squish.3.ogg - from https://freesound.org/people/DrMinky/sounds/167073/ by DrMinky under Creative Commons BY 3.0

slow heartbeat - https://freesound.org/people/daandraait/sounds/249716/ under CC0