IMPORTANT: Click the world-type button until you see Default AGAIN, otherwise it WILL NOT WORK.
This is a Minecraft Datapack that replaces the normal Minecraft worldgen with a lush cave-only worldgen. Sometimes you will spawn on Bedrock if there's no air beneath you to teleport you to.
It was partially made with my (see github credits) custom world generator: https://github.com/c3l3rN0/MC-Biome-Selector