Acquire 30 Emeralds by trading with villagers or mining.

Kill a creeper with arrows.

Discover 17 of 40 biomes.

Build some bookshelves to improve your enchantment table.

Kill the Enderdragon.

Enter an End Portal.

Relieve a Blaze of its rod.

Kill a skeleton with an arrow from more than 50 meters.

Construct a Dispenser.

Befriend five wolves.

Travel by minecart to a point at least 500m in a single direction from where you started.

Bake a cake using wheat, sugar, milk and eggs!

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