http://www.minecraftforum.net/topic/600254-surv-skyblock/
You spawn on a small floating island in the middle of no where.
Rules:
Do NOT leave the island.
NO Mods, Hacks, Flying, etc.
Post pictures of your achievements and progress!
Have FUN!

Hints:
Lava Water = Cobblestone.

Challenges:
1.Build a Cobble Stone generator.
2.Build a house.
3.Expand the island.
4.Make a melon farm.
5.Make a pumpkin farm.
6.Make a reed farm.
7.Make a wheat farm.
8.Make a giant red mushroom.
9.Build a bed.
11.Make atleast 20 torches.
12.Make an infinite water source.
13.Build a furnace.
14.Make a small lake.
15.Make a platform 24 blocks away from the island, for mobs to spawn.
16.Make 10 cactus green dye.
17.Make 10 mushroom stew.
18.Make 10 Jack 'o' lanterns.
19.Build 10 bookcases.
20.Make 10 bread.