Dungeon Descent.zip is a release file of the Minecraft map Dungeon Descent, made for Minecraft 1.17.1, 1.17, 1.17-Snapshot. It was published on August 24, 2021 and is 15.6 MB in size. For the full description, screenshots and every other version, visit the Dungeon Descent map page.
How to install: Extract the .zip and move the world folder into .minecraft/saves; the map then appears in your Singleplayer list.