If you touch grass, you die!

Touch Grass = Instant Death

This brutal challenge datapack turns one of the most common blocks in Minecraft into your worst enemy. The moment your character touches any grass block… you die instantly. No warnings. No second chances.

You spawn directly on a bedrock platform when you first join the world

This datapack is perfect for:

Hardcore survival challenges
Skill-based gameplay
Testing your movement precision and planning

VERY IMPORTANT READ THIS BEFORE USING THE DATAPACK
Before creating your world or server, you MUST set the spawn radius to 0.
If you don’t do this, players may spawn on grass and die immediately, making the game unplayable.

For changing the spawn radius to 0. You need to go to the gamerules menu, it will be visible while creating a new world.. or if you created a new world already or u just cant find the menu just do this command 

/gamerule spawnRadius 0