Deepvelo

Hit five mobs in the same Charge attack using the Spear

Make the Meadows come alive with the sound of music from a Jukebox

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

Discover every biome

Sneak near a Sculk Sensor or Warden to prevent it from detecting you

Successfully defend a village from a raid

Shoot a Crossbow

Deal 50 hearts of damage in a single hit using the Mace

Unlock a Vault with a Trial Key

Craft trimmed armor at a Smithing Table

Shoot something with an Arrow

Use a Wind Charge to launch yourself upward 8 blocks

Unlock an Ominous Vault with an Ominous Trial Key

Step foot in a Trial Chamber

Throw a Trident at something. Note: Throwing away your only weapon is not a good idea.

Kill a raid captain. Maybe consider staying away from villages for the time being...

Successfully trade with a Villager

Sleep in a Bed to change your respawn point

Use a Totem of Undying to cheat death

Adventure, exploration and combat

Kill any hostile monster