Here is a list of Minecrafting achievements. This list is not complete, and if you have any you'd like to share, send me a tell in-game and I'll add it to the list.
Now in alphabetical order! Special thanks to Div, Moor, Choboeio, Pirutar and Zoid for helping to add to this list.
* A human mole (Dig over 100 tunnels, 50 points) * A stick called Wanda (Find a wand, 50 points) * Abandonment issues (Abandon your mine for others to explore, 100 points) * Anger Management (Summon the Warden without disturbing his essence, 100 points) * Awww Yisss, Imma be rich! (Find multiple valuables from a mine, 10 points) * Batshit Crazy (Open a bat-infested cabinet, 25 points) * Boozehound (Find alcohol in the mine, 10 points) * Buried alive! (Try to collapse a mine over monsters., 10 points) * But this goes to eleven. (Get minecrafting over 100%, 50 points) * Cabinet Crew (Search an abandoned cabinet, 50 points) * Catcher (Get over 100 rat kills with your cat, 10 points) * Check out my junk... yard (Allow somebody else into your mine, 20 points) * Chomp Chomp Om Nom (Unleash a cat upon monsters invading your mine, 10 points) * Come take a look at this! (Find something valuable, 20 points) * Common cause (Join the Dragonstone Event, 20 points) * Compulsion (Dig over 30000kg's of minerals, 200 points) * Crawlspace (Encounters, 50 points) * Creepy Collector (Collect valuables from a mine worth more than 300k gold, 1000 points) * Crossroads (Find a trail to a treasure cache underground, 200 points) * Demolisher (Collapse a mine, 20 points) * DENIED! (Deny access to mine from somebody, 20 points) * Dig a hole, any hole! (Create a mineshaft, 5 points) * Dig your own hole (Reach a depth over 25 paces, 10 points) * Drums. Drums in the deep. (Dig over 500 tunnels, 400 points) * Eat and Conquer (Get over 2000 rat kills with your cat, 1000 points) * Edumacation! (Find a scroll of minecrafting, 10 points) * Fetcher (Get over 500 rat kills with your cat, 50 points) * Finders Keepers (Collect EVEN more valuables from a mine, 25 points) * Get stoned (Find a drawing stone in the mine, 20 points) * Good things come in small packages (Find a very small piece of mineral, 5 points) * Groundhog day (Dig over 50 tunnels, 20 points) * Guys... this isn't funny anymore! (A monster finds you!, 5 points) * Happy Meal (Feed a starving prisoner, 100 points) * Hauling at the moon (Dig over 2000kg's of minerals, 10 points) * Helpy helper dude (Try to dig in the wrong mine, 20 points) * Hide and Seek (Encounters, 50 points) * Hoarder 5000 (Collect valuables from a mine worth more than 500k gold, 2000 points) * Hokey Pokey (Jumpscare the hidden Peddler, 100 points) * Horse d'oeuvre, Sir? (Feed a starving animal in the Fortress, 50 points) * How am I supposed to carry this? (Find a very large piece of mineral, 5 points) * I can has cheeseburger? (Deal 50000 damage with your cat, 100 points) * I can see my house from here! (Dig over 20000kg's of minerals, 150 points) * I dig your skills (Get minecrafting at 100%, 50 points) * I hope he comes back! (Release your cat, 5 points) * I shall call him Squishy! (Rename your cat, 5 points) * I should get a safe (Collect more valuables from a mine, 15 points) * I want to see your manager (Try to return an incorrect item to Sniffles, 10 points) * I'm in a hurry! (Try to collapse a mine with something in it, 10 points) * I'm rich enough (Collapse a mine with money in it, 20 points) * I'm sorry was this taken? (Try to create a mineshaft above another, 20 points) * Impossibru! (Dig over 200000kg's of minerals, 5000 points) * In the Den of War (Summon the Warden of the abandoned fortress., 500 points) * Infestation (Find rats, 5 points) * Innocence (Encounters, 50 points) * Just Gopher It! (Use a bag of angry gophers to build a mine structure for you., 100 points) * Kill Confirmed (Get a rat kill with your cat, 1 points) * l'Ossuaire Municipal (Dig over 300 tunnels, 150 points) * Landslide (Dig over 3000kg's of minerals, 50 points) * Lemme fix that for you (Try to support someone else's mine, 20 points) * Lift Loft Laft (Build a lift to the breach., 100 points) * Light the torch (Use a lantern inside an abandoned mine, 50 points) * Location Location Location (Attempt to locate your mine, 20 points) * Loop-de-loop (Dig into your own tunnel, 5 points) * Madness (Encounters, 50 points) * Markings on the wall (Use a sharpstone to mark your depth, 20 points) * Mister you smell funny! (Find Sniffles, 20 points) * Molder Scrolls (Find a scroll, 50 points) * Moooooom! I'm tired! (Try to tunnel when you're too exhausted., 10 points) * Mountains of Madness (Dig over 100000kg's of minerals, 1000 points) * Mutually Assured Destruction (Obtain another cat companion, 100 points) * My First Pet Rock (Find minerals in a mine, 5 points) * My precioussss... (Collect valuables from a mine worth more than 200k gold, 500 points) * Omnia dicta fortiora si dicta Latina (Scribble something to your mineshaft wall, 20 points) * Pipeline (Follow the signs and dig all the way to the treasure, 200 points) * Points shadily earned (Refund something at Sniffles, 10 points) * Points well spent (Buy something from Sniffles, 20 points) * Pointy end towards the enemy (Find a weapon in the mine, 20 points) * Puddle of blood (Search a corpse inside an abandoned mine, 50 points) * Raggedy man (Encounters, 50 points) * Rat Banquet (Get over 3000 rat kills with your cat, 2000 points) * Rat'n'Roll (Find over 100 rats, 30 points) * Seal the Deal (Release a sealed prisoner in the Fortress, 20 points) * Security breach (Locate the breach, 5 points) * Sequel of decay (Collapse an old mine, 20 points) * Serenity (Dig with fireflies, 20 points) * Slippery slope (Dig with salve, 20 points) * Snatcher (Get over 200 rat kills with your cat, 20 points) * So, where's the loot? (Don't get anything from tunneling, 20 points) * Stand By Menace (Don't flee the Warden after it attacks, 500 points) * Swiss cheese (Dig over 200 tunnels, 100 points) * That belongs in a museum (Find an armour, 5 points) * That's a big pile of rocks (Dig over 5000kg's of minerals, 75 points) * That's one curvy tunnel (Win the dragonstone event, 50 points) * The Black Plague (Find over 10000 rats, 500 points) * The Dig (Reach a depth over ten paces, 10 points) * The Exterminator (Find over 1000 rats, 50 points) * The Molten Core (Dig over 400 tunnels, 200 points) * The Ratman (Find over 5000 rats, 200 points) * The Slab King (Dig over 1000kg's of minerals, 5 points) * The Support Group (Support mine structures, 20 points) * This is going to sting a bit (Mine a living rock, 25 points) * This is madness! (Dig over 1000 tunnels, 1000 points) * This must be a sign! (Destroy your protective mineshaft sign, 5 points) * True Assassin (Get over 1000 rat kills with your cat, 100 points) * Two for the price of one (Try to create two simultaneous mineshafts, 20 points) * Wakey Wakey (Wake up the stone dragon, 100 points) * Waterslide (Try to create a mineshaft in a watery location, 20 points) * We don't gnaw on our kitty (Get over 5000 rat kills with your cat, 5000 points) * Well read (Read the note in the well, 10 points) * Whack-a-Mole (Attempt to break surface from within your tunnel, 100 points) * What do you mean by 'supports'? (Tunnel collapses on you, 20 points) * Where the evil dwells (Excavate to considerably dangerous depths, 100 points) * Who leaves this stuff lying around? (Collect valuables from a mine worth more than 100k gold, 200 points) * Whose tunnels are these anyways? (Find abandoned tunnels, 50 points) * Why is there always a sewer level? (Locate an ancient structure inside the mine, 100 points) * Worm Whisperer (Simply ask for the treasure!, 100 points) * X didn't mark the spot (Find a treasure chest, 10 points) * XXX POISON XXX (Use rat poison, 20 points) * Yarrr! (Find a treasure map, 20 points) * You can actually fail this? (Fumble minecrafting, 20 points) * You get exp! And you get exp! EVERYBODY GETS EXP! (A player kills monsters in your abandoned mine., 100 points) * You should start a mining company (Dig over 10000kg's of minerals, 100 points)