10 ArcherKill a creeper with arrows.
10 BenchmakingCraft a workbench with four blocks of wooden planks.
10 Getting WoodPunch a tree until a block of wood pops out.
10 Pork ChopCook and eat a pork chop.
10 Renewable EnergySmelt wood trunks using charcoal to make more charcoal.
10 Taking InventoryOpen your inventory.
10 Time to Farm!Make a Hoe.
10 Time to Mine!Use planks and sticks to make a pickaxe.
10 Time to Strike!Use planks and sticks to make a sword.
15 Acquire HardwareSmelt an iron ingot.
15 Bake BreadTurn wheat into bread.
15 Cow TipperHarvest some leather.
15 Delicious FishCatch and cook a fish!
15 Diamonds to you!Throw diamonds at another player.
15 Freight StationUse a Hopper to move an item from a Chest Minecart to a Chest.
15 Getting an UpgradeConstruct a better pickaxe.
15 Have a Shearful DayUse Shears to obtain wool from a sheep.
15 Hot TopicConstruct a furnace out of eight cobblestone blocks.
15 Iron ManWear a full suit of Iron Armor.
15 It's a Sign!Craft and place a Sign.
15 Lion TamerTame an Ocelot.
15 Local BreweryBrew a potion.
15 MOAR ToolsConstruct one type of each tool.
15 Monster HunterAttack and destroy a monster.
15 Pot PlanterCraft and place a Flower Pot.
15 RepopulationBreed two cows with wheat.
15 Smelt Everything!Connect 3 Chests to a single Furnace using 3 Hoppers.
15 Tie Dye OutfitUse a cauldron to dye all 4 unique pieces of leather armor.
15 TrampolineBounce 30 blocks upward off a slime block.
20 Body GuardCreate an Iron Golem
20 Chestful of CobblestoneMine 1,728 Cobblestone and place it in a chest.
20 DIAMONDS!Acquire diamonds with your iron tools.
20 Dispense With ThisConstruct a Dispenser.
20 EnchanterConstruct an Enchantment Table.
20 InceptionPush a piston with a piston, then pull the original piston with that piston.
20 Into FireRelieve a Blaze of its rod.
20 Iron BellyStop starvation using Rotten Flesh.
20 Leader of the PackBefriend five wolves.
20 LibrarianBuild some bookshelves to improve your enchantment table.
20 Passing the TimePlay for 100 days.
20 Saddle UpTame a horse.
20 Stayin' FrostySwim in lava while having the Fire Resistance effect.
20 Taste of Your Own MedicinePoison a witch with a splash potion.
30 Artificial SelectionBreed a mule from a horse and a donkey.
30 CamouflageKill a mob while wearing the same type of mob head.
30 Into the NetherConstruct a Nether Portal.
30 OverkillDeal nine hearts of damage in a single hit.
30 Rainbow CollectionGather all 16 colors of wool.
30 Return to SenderDestroy a Ghast with a fireball.
30 Sniper DuelKill a Skeleton with an arrow from more than 50 meters.
30 The LieBake a cake using: wheat, sugar, milk and eggs.
40 Adventuring TimeDiscover 17 biomes.
40 Map RoomPlace 9 fully explored, adjacent map items into 9 item frames in a 3 by 3 square.
40 On A RailTravel by minecart to a point at least 500m in a single direction from where you started.
40 When Pigs FlyUse a saddle to ride a pig, and then have the pig get hurt from fall damage while riding it.
40 Zombie DoctorCure a zombie villager.