This map isn't complicated. It's just an infinite 4 block jump generator that keeps track of your score.
I would love to know what everyone's record is.
DOWNLOAD LINK: https://www.planetminecraft.com/project/infinite-parkour-3975587/
Well it may be a bug, but if you go to options there's an option to change volume. It may be a drowned as well, if that's the case then turn down hostile mob volume.
Aerial Warriors Updated:
If you have ever seen the Aerial Warriors map on YouTube, this is sort of like that. The main difference being, this one is updated to 1.12.2
It isn't 100% complete, but here's the download link: