Defeat 100 enemies.

Starting from behind your net skate up the ice and score without passing.

Smelt wood trunks using charcoal to make more charcoal.

Build some bookshelves to improve your enchantment table.

Construct a furnace out of eight cobblestone blocks.

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

Catch and cook a fish!

Acquire diamonds with your iron tools.

Use planks and sticks to make a sword.

Attack and destroy a monster.

Construct a better pickaxe.

Harvest some leather.