Play for 100 days.

Throw diamonds at another player.

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

Kill a mob next to a catalyst

Tame a Horse.

Defeat an Evoker.

Cook and eat a pork chop.

Use a Grindstone to get experience from an enchanted item.

Catch and cook a fish!

Find an underwater ruin.

Acquire diamonds with your iron tools.

Harvest some leather.