Cook and eat rabbit meat. [Bedrock Only]

Find an underwater ruin.

Throw diamonds at another player.

Apply and remove Wax from all the Copper blocks!!!

Visit all Nether biomes [Bedrock Only]

Place 9 fully explored, adjacent Maps into 9 Item Frames in a 3 by 3 square.

Play a music disc in a Jukebox.

Gather all 16 colours of wool.

Acquire 30 Emeralds by trading with villagers or mining.

Kill a creeper with arrows.

Destroy a Ghast with a fireball.

Use a saddle to ride a pig, then have the pig get hurt from fall damage while riding it.

Deal nine hearts of damage in a single hit.