Set Added
-
Once Upon a Time1 Points Get told off for entering a taken name in the naming screen.NEW Achievement Added -
You Idiot2 Points Avoid all of Flowey's "friendliness pellets" during your first encounter.NEW Achievement Added -
This Isn't Undertale Yellow2 Points Press the wrong lever before Toriel walks to the end of the hallway.NEW Achievement Added -
Peace Out2 Points Get the Dummy to leave by constantly performing neutral actions.NEW Achievement Added -
Dummy1 Points Spare Dummy without being hit.NEW Achievement Added -
Trick or Treat!1 Points Ruin everything by grabbing too many Monster Candies.NEW Achievement Added -
Just Like My Nails1 Points Change the colour of sparing to pink.NEW Achievement Added -
Mach Bike Expert3 Points Beat the crackling floor puzzle in the Ruins without falling.NEW Achievement Added -
Froggy? Where Are You?1 Points Find the Micro Froggit hidden in a wall crack.NEW Achievement Added -
Yummy Paper1 Points Re-apply the bandage after taking it off.NEW Achievement Added -
Ghost Fight3 Points Spare Napstablook at LV 1 without being hit.NEW Achievement Added -
Too Cute to Harm3 Points Pick up the Faded Ribbon and Toy Knife in the Ruins.NEW Achievement Added -
Made With Love1 Points Take the Butterscotch or Snail Pie in the Ruins.NEW Achievement Added -
It's 10 PM, Do You Know Where Your Human Is?1 Points Sleep in bed after Toriel blocks the exit of the Ruins.NEW Achievement Added -
Certified Biologist1 Points Correctly identify a Typha.NEW Achievement Added -
Feeling Frisky3 Points Call Toriel your mum, then flirt with her.NEW Achievement Added -
Heartache10 Points Spare Toriel without being hit.NEW Achievement Added -
Magic Kills Kids?!1 Points Get a game over to Toriel.NEW Achievement Added -
Stick Kills Mom5 Points Betray Toriel when her guard is down.NEW Achievement Added -
Lonely Ruins1 Points Sleep in bed after killing Toriel.NEW Achievement Added -
(Blushes Deeply) Ribbit...1 Points Spare Froggit at LV 1 without being hit.NEW Achievement Added -
I Can't Handle This...1 Points Spare Whimsun at LV 1 without being hit after letting them attack once.NEW Achievement Added -
Eat Your Greens2 Points Spare Vegetoid at LV 1 without being hit.NEW Achievement Added -
Squorch...1 Points Spare Moldsmal at LV 1 without being hit after letting them attack once.NEW Achievement Added -
Legion! We Are Legion1 Points Spare Migosp at LV 1 without being hit after letting them attack alongside another monster.NEW Achievement Added -
Finally Someone Gets It.1 Points Spare Loox at LV 1 without being hit.NEW Achievement Added -
Fallen Down5 Points Obtain a yellow description on every Ruins monster.NEW Achievement Added -
Ruins10 Points Leave the Ruins.NEW Achievement Added -
I Don't Want to Build a Snowman1 Points Accept way too many Snowman Pieces from the Snowman.NEW Achievement Added -
Stick It to Them3 Points Spare any dog enemy using the Stick.NEW Achievement Added -
Golf Physics!5 Points Get the Snowball into the hole without it melting.NEW Achievement Added -
Hole in... 6?10 Points Get all seven time-based Snowball flags in one session.NEW Achievement Added -
You Found Me!1 Points Find the developer's hidden message.NEW Achievement Added -
Not a Pawn Shop - Snowdin1 Points Repeatedly try to sell your items to the Snowdin shopkeeper.NEW Achievement Added -
Loving Life2 Points From the cliff in Snowdin, witness a person exit their home and shuffle around.NEW Achievement Added -
Goooood Boy1 Points Pet Lesser Dog too much.NEW Achievement Added -
Puppy Petter3 Points Spare all of the Snowdin Canine Unit in Snowdin.NEW Achievement Added -
Snow Poff Searcher1 Points Inspect every snow poff in the gauntlet and find an exciting prize.NEW Achievement Added -
Naptime1 Points Sleep in the Snowdin Inn.NEW Achievement Added -
Two for One Deal1 Points Get the Snowdin Inn owner to not give you another room.NEW Achievement Added -
Bookworm3 Points Read all the books in the Snowdin Library in one session.NEW Achievement Added -
Tough Luck3 Points Create a giant fist while using the Tough Glove.NEW Achievement Added -
Dog5 Points Spare Doggo at LV 1 without the stick and without being hit.NEW Achievement Added -
dog5 Points Spare Lesser Dog at LV 1 without the stick and without being hit.NEW Achievement Added -
DOG5 Points Spare Greater Dog at LV 1 without the stick and without being hit.NEW Achievement Added -
DDoogg5 Points Spare Dogamy and Dogaressa at LV 1 without the stick and without being hit.NEW Achievement Added -
Sick Moves5 Points Spare Glyde.NEW Achievement Added -
Little Voices1 Points Be reminded of your failed slaughter at the end of Snowdin.NEW Achievement Added -
Determination5 Points Tire Papyrus out from beating you and win another way.NEW Achievement Added -
Lazybones10 Points Spare Papyrus without moving left or right.NEW Achievement Added -
Spaghetti Carboneara5 Points Go on a date or hangout with Papyrus.NEW Achievement Added -
See!? Laughs! Dad Was Wrong!2 Points Spare Snowdrake at LV 1 without being hit.NEW Achievement Added -
HELLO??? My Hat's Up Here2 Points Spare Icecap at LV 1 without being hit.NEW Achievement Added -
The Wi-Fi Here Sucks1 Points Spare Jerry at LV 1 without being hit.NEW Achievement Added -
That's a Little Better1 Points Spare Gyftrot at LV 1 without being hit.NEW Achievement Added -
Save the Whales10 Points Spare Glyde at LV 1 without being hit.NEW Achievement Added -
Bonetrousle10 Points Spare Papyrus without being hit.NEW Achievement Added -
Uwa!! So Holidays10 Points Obtain a yellow description on every Snowdin monster.NEW Achievement Added -
Snowdin Town10 Points Leave Snowdin.NEW Achievement Added -
Ketchup with Sans3 Points Hang out with Sans at Grillby's.NEW Achievement Added -
Music Box1 Points Take an umbrella briefly though Waterfall and give it to a statue.NEW Achievement Added -
Dogsong3 Points Solve the piano puzzle and get the treasure.NEW Achievement Added -
Oh, Crap1 Points Fill your entire inventory with Dog Residue.NEW Achievement Added -
Word Salad3 Points Obtain every different line of dialogue upon eating Dog Salad in one session.NEW Achievement Added -
Thundersnail3 Points Narrowly lose and get the most money out of Thundersnail.NEW Achievement Added -
Spooktunes3 Points Lay down and feel like garbage with Napstablook.NEW Achievement Added -
Not a Pawn Shop - Waterfall3 Points Repeatedly try to sell your items to the Waterfall shopkeeper.NEW Achievement Added -
ORA ORA ORA3 Points Use a Punch Card while having a Tough Glove equipped.NEW Achievement Added -
Style Points3 Points Get a discount on a Nice Cream from the Nice Cream guy.NEW Achievement Added -
Based on a True Story3 Points Find an Abandoned Quiche in Waterfall.NEW Achievement Added -
Answer Is Wrong1 Points Attempt to solve the Box Puzzle in Waterfall.NEW Achievement Added -
Poison Spear5 Points Get through the first two chase sequences in Waterfall without getting into a battle in one session.NEW Achievement Added -
Explosion of Anger5 Points Cause the Dummy to become so mad it fuses with its body.NEW Achievement Added -
Dummy!5 Points Defeat Mad Dummy in the Garbage Dump.NEW Achievement Added -
You Came Back!3 Points Exchange 3 Punch Cards for 1 Nice Cream.NEW Achievement Added -
Bird That Carries You Over a Disproportionately Small Gap1 Points Get carried over a disproportionately small gap by a bird.NEW Achievement Added -
Toned Down3 Points Spare Shyren.NEW Achievement Added -
Winking Away3 Points Trigger the special encounter with Aaron and Woshua in Waterfall.NEW Achievement Added -
I Have a Dream3 Points Use the Mystery Key and read every diary page in Mettaton's house.NEW Achievement Added -
Temmie Village3 Points Discover Temmie Village.NEW Achievement Added -
Existential Crisis1 Points Be judged by Ragel in Temmie Village.NEW Achievement Added -
Pawn Shop - Temmie Village3 Points Refuse to sell an item to Temmie.NEW Achievement Added -
tem go to colleg!3 Points Send the Tem Shop owner to college.NEW Achievement Added -
Tem Shop10 Points Reduce the Temmie Armour's price to the lowest possible, then buy it.NEW Achievement Added -
En Pointe3 Points Pick up the Old Tutu and Ballet Shoes in Waterfall.NEW Achievement Added -
Now It's a Fair Fight3 Points Start Undyne's fight with her already damaged.NEW Achievement Added -
Not Your Kindergarten Teacher4 Points Show Undyne that you're not taking things seriously by challenging her but not blocking her spears.NEW Achievement Added -
But the Earth Refused to Die10 Points Kill Undyne the Undying.NEW Achievement Added -
Undyne25 Points Kill Undyne the Undying without using recovery items.NEW Achievement Added -
Flexing Contest? OK, Flex More3 Points Spare Aaron at LV 1 without being hit.NEW Achievement Added -
Green Means Clean1 Points Spare Woshua at LV 1 without being hit.NEW Achievement Added -
hOI!!! i'm tEMMIE!!1 Points Spare Temmie at LV 1 without being hit.NEW Achievement Added -
*Chaste Wiggle*1 Points Spare Moldbygg at LV 1 without being hit.NEW Achievement Added -
Tone Deaf3 Points Spare Shyren at LV 1 without being hit.NEW Achievement Added -
Dummy! Dummy! Dummy!5 Points Spare Mad Dummy at LV 1 without being hit.NEW Achievement Added -
Spear of Justice25 Points Spare Undyne without being hit.NEW Achievement Added -
Uwa!! So Temperate10 Points Obtain a yellow description on every Waterfall monster.NEW Achievement Added -
Waterfall10 Points Leave Waterfall.NEW Achievement Added -
A Fish Out of Water1 Points Give Undyne some water.NEW Achievement Added -
Anime Is Real5 Points Go on a hangout with Undyne.NEW Achievement Added -
Where's the Kettle?1 Points Take some Instant Noodles from Alphys's fridge.NEW Achievement Added -
Cell Phone 2.03 Points Have Alphys upgrade your phone.NEW Achievement Added -
I'll Be Hearing Pings in My Sleep1 Points Listen to all of Alphys's phone pings.NEW Achievement Added -
A Typo?1 Points Get the shooting puzzle in Hotland to accidentally say restaurant.NEW Achievement Added -
Jetpack Joyride5 Points Reach the end of the flying minigame in the Mettaton cooking show.NEW Achievement Added -
Let's Make Jelly Donuts!3 Points Pick up the Burnt Pan and Stained Apron in Hotland.NEW Achievement Added -
Meowch1 Points Purchase a Hot Cat from Sans.NEW Achievement Added -
Am I a Sandwich Yet?3 Points Stack too many Hot Dogs on your head.NEW Achievement Added -
Uwa!! So HEATS!!5 Points Spare the Royal Guards.NEW Achievement Added -
Miniature Millionare25 Points Purchase an Apple Donut or Apple Cider from Muffet's Hotland store.NEW Achievement Added -
Itsy Bitsy Spider10 Points Kill Muffet.NEW Achievement Added -
Too Rich for Her Tastes5 Points Have Muffet spare you.NEW Achievement Added -
Oh! Dungeon10 Points Finish the "horrible colored tile maze" in Hotland.NEW Achievement Added -
A Memory of Justice5 Points Buy the Empty Gun and Cowboy Hat from Bratty and Catty.NEW Achievement Added -
My Humblest of Apologies5 Points Go to the Art Club in Hotland and encounter So Sorry.NEW Achievement Added -
It's Raining Somewhere Else1 Points Have a chat with Sans inside the MTT Resort.NEW Achievement Added -
Draw In the Floor First2 Points Learn about Art Lessons from inside the MTT Resort.NEW Achievement Added -
Dog Vs. Cat3 Points Offer a Hot Cat to the Dog inside the MTT Resort.NEW Achievement Added -
Can You Really Call This a Hotel, I Didn't Receive a Mint3 Points Attend the guests requesting room service in the MTT Resort.NEW Achievement Added -
Ahh... So... LOVEY!2 Points Spare Vulkin at LV 1 without being hit.NEW Achievement Added -
Eeeeh? H-human...?2 Points Spare Tsunderplane at LV 1 without being hit.NEW Achievement Added -
Hot!! HOT!! Hotter! HOTTER!!2 Points Spare Pyrope at LV 1 without being hit.NEW Achievement Added -
Stronger Monsters4 Points Spare the Royal Guards at LV 1 without being hit.NEW Achievement Added -
Wrong Enemy?!10 Points Spare So Sorry at LV 1 without being hit.NEW Achievement Added -
Spider Dance25 Points Spare Muffet at V 1, without being hit and without using a spider item.NEW Achievement Added -
Another Medium5 Points Obtain a yellow description on every Hotland monster.NEW Achievement Added -
CORE Approach10 Points Leave Hotland.NEW Achievement Added -
One Man's Trash1 Points Get a large sum of money from a trash can inside the CORE.NEW Achievement Added -
You Shall Not Not Pass3 Points Break down the force field outside the end of the CORE through the sage's path.NEW Achievement Added -
Braveheart3 Points Break down the force field outside the end of the CORE through the warrior's path.NEW Achievement Added -
Eventually, the Human Stopped Thinking3 Points Break down the force field outside the end of the CORE by being patient.NEW Achievement Added -
Better Dry2 Points Eat Instant Noodles while the game is in Serious Mode.NEW Achievement Added -
Sponsorship Deal3 Points Raise the ratings during Mettaton EX's fight by eating some on-brand food.NEW Achievement Added -
A+ Essay5 Points Somehow find the absolute best answer to an essay.NEW Achievement Added -
Born for the Stage25 Points Spare Mettaton EX by raising the ratings to above 12,000 without removing his legs or using items.NEW Achievement Added -
Oh My...10 Points Spare Mettaton EX.NEW Achievement Added -
Power of "NEO"1 Points Kill Mettaton NEO.NEW Achievement Added -
Abra Cadabra2 Points Spare Madjick at LV 1 without being hit.NEW Achievement Added -
Close Your Eyes...3 Points Spare Knight Knight at LV 1 without being hit.NEW Achievement Added -
...Pick on Me3 Points Spare Astigmatism at LV 1 without being hit.NEW Achievement Added -
No Regrets3 Points Spare Whimsalot at LV 1 without being hit.NEW Achievement Added -
(Thoughtful Croak)3 Points Spare Final Froggit at LV 1 without being hit.NEW Achievement Added -
Metal Crusher10 Points Spare Mettaton without being hit.NEW Achievement Added -
Death by Glamour25 Points Spare Mettaton EX without being hit.NEW Achievement Added -
For the Fans10 Points Obtain a yellow description on every CORE monster.NEW Achievement Added -
Finale10 Points Leave the CORE.NEW Achievement Added -
Empty House1 Points Pick up the Real Knife.NEW Achievement Added -
Best Friends Forever1 Points Pick up the Heart Locket.NEW Achievement Added -
Home3 Points Eat Butterscotch Pie in front of Asgore.NEW Achievement Added -
Share the Pain1 Points Tell Asgore how many times he has killed you.NEW Achievement Added -
Memory1 Points Make Asgore recall the past by talking to him.NEW Achievement Added -
An Ending10 Points Defeat Asgore.NEW Achievement Added -
Asgore25 Points Spare Asgore at LV 1 without being hit.NEW Achievement Added -
The Choice1 Points Spare a nightmare after defeating it.NEW Achievement Added -
Undertale25 Points Defeat a nightmare and leave the Underground.NEW Achievement Added -
Dating Start!5 Points Go on a date with Alphys.NEW Achievement Added -
Respite1 Points Have the watching man put you to sleep.NEW Achievement Added -
Loremaster3 Points Read every journal entry in the True Lab in one session.NEW Achievement Added -
Come Join the Fun5 Points Spare Memory Head without being hit.NEW Achievement Added -
DogDogDogDogDog4 Points Spare Endogeny without the stick and without being hit.NEW Achievement Added -
But Nobody Came...2 Points Spare Lemon Bread without being hit.NEW Achievement Added -
It's So Cold1 Points Spare Snowdrake's Mother without being hit.NEW Achievement Added -
What Are You So Afraid Of?3 Points Spare Reaper Bird without being hit.NEW Achievement Added -
Here We Are10 Points Leave the True Lab.NEW Achievement Added -
Hopes and Dreams50 Points Talk Him down while having a Bandage equipped and without using items.NEW Achievement Added -
Reunited25 Points Talk Him down and leave the Underground with all of your friends.NEW Achievement Added -
Call Me, Maybe10 Points Call Papyrus in every room you can.NEW Achievement Added -
Gone With the Wind1 Points Traverse back to Snowdin after the sign disappears.NEW Achievement Added -
Mouse Maestro - Ruins1 Points Come back and see if the mouse succeeded in the Ruins.NEW Achievement Added -
Mouse Maestro - Snowdin1 Points Come back and see if the mouse succeeded in Snowdin.NEW Achievement Added -
Mouse Maestro - Waterfall1 Points Come back and see if the mouse succeeded in Waterfall.NEW Achievement Added -
Mouse Maestro - Hotland1 Points Come back and see if the mouse succeeded in Hotland.NEW Achievement Added -
Life Finds a Way1 Points Keep pouring water in front of the water cooler, then come back to see life.NEW Achievement Added -
Bring It In, Guys!10 Points Talk with every single monster in the game during the True Pacifist ending, then talk to Toriel.NEW Achievement Added -
Friendship Is Magic50 Points Beat the game on True Pacifist with all monster descriptions turned yellow.NEW Achievement Added -
Howling Wind50 Points Kill the maximum number of monsters possible (Minibosses, triple encounters with only 1 kill left, warrior's path after exhausting the kill count, etc).NEW Achievement Added -
The Ultimate KARMA25 Points Receive the flavor text "Doomed to death of KARMA!" in your final judgment.NEW Achievement Added -
Achievement That Might Unlock When You Defeat Sans25 Points Prove yourself in your final judgment.NEW Achievement Added -
sans.25 Points Prove yourself in your final judgment without using recovery items.NEW Achievement Added -
The First Human1 Points Get the world erased.NEW Achievement Added -
Don't Be Rude3 Points Spare Parsnik at LV 1 without being hit.NEW Achievement Added -
They're Coming3 Points Spare Migospel at LV 1 without being hit.NEW Achievement Added -
Shh..3 Points Spare Moldessa at LV 1 without being hit.NEW Achievement Added -
Uh, so, Are You Gonna Keep Going, or...?10 Points Reach the end of Hard Mode.NEW Achievement Added -
Harder Mode25 Points Beat Hard Mode in one session without being hit.NEW Achievement Added -
Sundowner5 Points Reach maximum INV.NEW Achievement Added -
Quicksilver3 Points Reach maximum SPEED.NEW Achievement Added -
Gourmand10 Points Consume every possible consumable in the game. Don't forget: Sticks and Punch Cards are consumables!NEW Achievement Added -
World's Longest Boat Ride3 Points Hear every unique dialogue from the River Person.NEW Achievement Added -
No Time to Spare3 Points See every flee message.NEW Achievement Added -
Echo, Echo, Echo5 Points Listen to every Echo Flower.NEW Achievement Added -
Don't Forget10 Points Enter Sans's workshop.NEW Achievement Added -
Unnecessary Tension5 Points Get Flowey to skip his boss fight.NEW Achievement Added -
Last Goodbye25 Points Dodge all of the names of the Kickstarter backers and enter the mysterious door.NEW Achievement Added -
Good Night1 Points Get Flowey to tell you to stop playing.NEW Achievement Added