Open your inventory.

Punch a tree until the block of wood pops out.

Craft a workbench with four blocks of wooden planks.

Use planks and sticks to make a pickaxe.

Construct a furnace out of eight cobblestone blocks.

Smelt an iron ingot.

Use planks and sticks to make a hoe.

Turn wheat into bread.

Bake a cake using wheat, sugar, milk and eggs!

Construct a better pickaxe.

Catch and cook a fish!

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

Use planks and sticks to make a sword.

Attack and destroy a monster.

Harvest some leather.

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

Befriend five wolves.

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

Construct a Dispenser.

Construct a Nether Portal.

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

Acquire diamonds with your iron tools.

Destroy a Ghast with a fireball.

Relieve a Blaze of its rod.

Brew a potion.

Enter an End Portal.

Kill the Enderdragon.

Construct an Enchantment Table.

Deal nine hearts of damage in a single hit.

Build some bookshelves to improve your enchantment table.

Discover 17 of the 23 different biomes.

Breed two cows with wheat.

Throw diamonds at another player.

Cook and eat a pork chop.

Play for 100 days.

Kill a creeper with arrows.

Mine or purchase 30 Emeralds.

Craft and place a Flower Pot.

Craft and place a Sign.

Stop starvation using Rotten Flesh

Use Shears to obtain wool from a sheep.

Gather all 16 colors of wool.

Swim in lava while having the Fire Resistance effect.

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

Smelt wood trunks using charcoal to make more charcoal.

Play a music disc in a Jukebox.

Create an Iron Golem.

Wear a full suit of Iron Armour.

Cure a Zombie Villager.

Tame an Ocelot.

Spawn the Wither.

Kill the Wither.

Create and fully power a Beacon.

Eat a Notch Apple.

Dye all 4 unique pieces of Leather Armor.

Bounce 30 blocks upward off a Slime Block.

Win a public Battle mini game.

Win 3 public Battle games in a row.

Take 100 damage in a round of a public Battle mini game.

Kill 2 players in a round of a public Battle mini game using a bow and arrow.

Kill a player while you are starving in a Battle mini game.

Open every chest in a Battle mini game arena in one round.

Respawn the Enderdragon.

Collect Dragon's Breath in a Glass Bottle.

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

Dry a Sponge in a Furnace.

Stay underwater for 2 minutes.

Power a Furnace with Lava.

Tame a Horse.

Poison a Witch with a Splash Potion.

Teleport over 100 meters from a single throw of an Ender Pearl.

Place a fully explored Map into an Item Frame.

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

Win 3 rounds in a row after one of the opponents has won 2 rounds.

Win a single round of Snowball Tumble without throwing any Snowballs.

Hit a single Player with 25 Snowballs in a single public round.

Hit a Player with a Snowball while falling into the Lava.

Push three Players into Lava using Snowballs.

Stay on the top layer while winning a round in a Snowball Tumble Mini Game.

Win a Tumble game whilst on the lowest layer in a Snowball Tumble Mini Game.

Defeat an Elder Guardian.

Levitate up 50 blocks from the attacks of a Shulker.

Dye your bed a different color.

Use the Totem of Undying to cheat death.

Lead a Caravan containing at least 5 Llamas.

Walk across the surface of a deep ocean by freezing the water with Frost Walker boots. 

Defeat an Evoker.

Place four Sea Pickles in one block.

Use a Dried Kelp block as fuel in a furnace.

Activate a Conduit.

Eat nothing but Kelp for 3 days.

Stay underwater for one full day without using potions.

Bribe a Dolphin.