This is my version of Sky Block Survival but mine is completely different with landscape.
Achievements:
Build a basic Kingdom that connects ALL islands.
Make a Melon Farm, Pumpkin Farm, and a 13 x 7 Wheat Farm.
Make a Mob Farm
Build a Windmill
Build a Minecart station to all islands and mainland.
And Whatever else you want! Comment other challenges on PMC and I will update and put your name next to your challenge.
NOTE: You can use Creative mode if you want for fun. I also know the limits to land aren't far away.