Mine 1,728 Cobblestone and place it in a chest.

Use an Elytra to fly through a 1 by 1 gap while moving faster than 40 m/s.

Acquire 30 Emeralds by trading with villagers or mining.

Catch and cook a fish!

Destroy a Ghast with a fireball.

Stay underwater for 2 minutes.

Gather all 16 colours of wool.

Kill a creeper with arrows.

Smelt an iron ingot.

Power a Furnace with Lava.

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

Dye all 4 unique pieces of Leather Armor.

Kill the Wither.