Lets Play World.zip is a release file of the Minecraft map ClassicDuff - Direwolf20 World Download, made for Minecraft 1.16.5. It was published on February 21, 2021 and is 246.4 MB in size. For the full description, screenshots and every other version, visit the ClassicDuff - Direwolf20 World Download map page.
How to install: Extract the .zip and move the world folder into .minecraft/saves; the map then appears in your Singleplayer list.