Use a Dried Kelp block as fuel in a furnace.

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

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

Free fall from the top of the world (build limit) to the bottom of the world and survive

Dye all 4 unique pieces of Leather Armor.

Wear a full set of Netherite armor [Bedrock Only]

Befriend five wolves.

Spawn the Wither.

Kill a Mob while wearing the same type of Mob Head.

Craft and place a sign.

Construct a Nether Portal.

Tame a Horse.