Underwater Survival v1.0

Your goal here is to survive underwater, inside a glass encasement with 3 rooms. You spawn in the biggest one. You are not allowed to leave the encasement unless to gather sand from the nearest island. No further. There are only a few challenges:

-Make a bed

-Explore the caves underneath the ocean floor.

-Craft a full set of iron armor

-Craft an entire set of iron tools.

-Craft a furnace

And finally

-Build a 4th glass box and connect it directly to the main one (biggest)