Anger the mother of all squirrels.

Complete a Versus Match against an online player

Acquire diamonds with your iron tools.

Smelt an iron ingot.

Harvest some leather.

Construct one type of each tool (one pickaxe, one spade, one axe and one hoe).

Use planks and sticks to make a pickaxe.

Open your inventory.

Use planks and sticks to make a sword.

Eat 30 ghosts in succession!

Create a slide

Revive all the Heroes of Legend