Get told off for entering a taken name in the naming screen.

Avoid all of Flowey's "friendliness pellets" during your first encounter.

Press the wrong lever before Toriel walks to the end of the hallway.

Get the Dummy to leave by constantly performing neutral actions.

Spare Dummy without being hit.

Ruin everything by grabbing too many Monster Candies.

Change the colour of sparing to pink.

Beat the crackling floor puzzle in the Ruins without falling.

Find the Micro Froggit hidden in a wall crack.

Re-apply the bandage after taking it off.

Spare Napstablook at LV 1 without being hit.

Pick up the Faded Ribbon and Toy Knife in the Ruins.

Take the Butterscotch or Snail Pie in the Ruins.

Sleep in bed after Toriel blocks the exit of the Ruins.

Correctly identify a Typha.

Call Toriel your mum, then flirt with her.

Spare Toriel without being hit.

Get a game over to Toriel.

Betray Toriel when her guard is down.

Sleep in bed after killing Toriel.

Spare Froggit at LV 1 without being hit.

Spare Whimsun at LV 1 without being hit after letting them attack once.

Spare Vegetoid at LV 1 without being hit.

Spare Moldsmal at LV 1 without being hit after letting them attack once.

Spare Migosp at LV 1 without being hit after letting them attack alongside another monster.

Spare Loox at LV 1 without being hit.

Obtain a yellow description on every Ruins monster.

Leave the Ruins.

Accept way too many Snowman Pieces from the Snowman.

Spare any dog enemy using the Stick.

Get the Snowball into the hole without it melting.

Get all seven time-based Snowball flags in one session.

Find the developer's hidden message.

Repeatedly try to sell your items to the Snowdin shopkeeper.

From the cliff in Snowdin, witness a person exit their home and shuffle around.

Pet Lesser Dog too much.

Spare all of the Snowdin Canine Unit in Snowdin.

Inspect every snow poff in the gauntlet and find an exciting prize.

Sleep in the Snowdin Inn.

Get the Snowdin Inn owner to not give you another room.

Read all the books in the Snowdin Library in one session.

Create a giant fist while using the Tough Glove.

Spare Doggo at LV 1 without the stick and without being hit.

Spare Lesser Dog at LV 1 without the stick and without being hit.

Spare Greater Dog at LV 1 without the stick and without being hit.

Spare Dogamy and Dogaressa at LV 1 without the stick and without being hit.

Spare Glyde.

Be reminded of your failed slaughter at the end of Snowdin.

Tire Papyrus out from beating you and win another way.

Spare Papyrus without moving left or right.

Go on a date or hangout with Papyrus.

Spare Snowdrake at LV 1 without being hit.

Spare Icecap at LV 1 without being hit.

Spare Jerry at LV 1 without being hit.

Spare Gyftrot at LV 1 without being hit.

Spare Glyde at LV 1 without being hit.

Spare Papyrus without being hit.

Obtain a yellow description on every Snowdin monster.

Leave Snowdin.

Hang out with Sans at Grillby's.

Take an umbrella briefly though Waterfall and give it to a statue.

Solve the piano puzzle and get the treasure.

Fill your entire inventory with Dog Residue.

Obtain every different line of dialogue upon eating Dog Salad in one session.

Narrowly lose and get the most money out of Thundersnail.

Lay down and feel like garbage with Napstablook.

Repeatedly try to sell your items to the Waterfall shopkeeper.

Use a Punch Card while having a Tough Glove equipped.

Get a discount on a Nice Cream from the Nice Cream guy.

Find an Abandoned Quiche in Waterfall.

Attempt to solve the Box Puzzle in Waterfall.

Get through the first two chase sequences in Waterfall without getting into a battle in one session.

Cause the Dummy to become so mad it fuses with its body.

Defeat Mad Dummy in the Garbage Dump.

Exchange 3 Punch Cards for 1 Nice Cream.

Get carried over a disproportionately small gap by a bird.

Spare Shyren.

Trigger the special encounter with Aaron and Woshua in Waterfall.

Use the Mystery Key and read every diary page in Mettaton's house.

Discover Temmie Village.

Be judged by Ragel in Temmie Village.

Refuse to sell an item to Temmie.

Send the Tem Shop owner to college.

Reduce the Temmie Armour's price to the lowest possible, then buy it.

Pick up the Old Tutu and Ballet Shoes in Waterfall.

Start Undyne's fight with her already damaged.

Show Undyne that you're not taking things seriously by challenging her but not blocking her spears.

Kill Undyne the Undying.

Kill Undyne the Undying without using recovery items.

Spare Aaron at LV 1 without being hit.

Spare Woshua at LV 1 without being hit.

Spare Temmie at LV 1 without being hit.

Spare Moldbygg at LV 1 without being hit.

Spare Shyren at LV 1 without being hit.

Spare Mad Dummy at LV 1 without being hit.

Spare Undyne without being hit.

Obtain a yellow description on every Waterfall monster.

Leave Waterfall.

Give Undyne some water.

Go on a hangout with Undyne.

Take some Instant Noodles from Alphys's fridge.

Have Alphys upgrade your phone.

Listen to all of Alphys's phone pings.

Get the shooting puzzle in Hotland to accidentally say restaurant.

Reach the end of the flying minigame in the Mettaton cooking show.

Pick up the Burnt Pan and Stained Apron in Hotland.

Purchase a Hot Cat from Sans.

Stack too many Hot Dogs on your head.

Spare the Royal Guards.

Purchase an Apple Donut or Apple Cider from Muffet's Hotland store.

Kill Muffet.

Have Muffet spare you.

Finish the "horrible colored tile maze" in Hotland.

Buy the Empty Gun and Cowboy Hat from Bratty and Catty.

Go to the Art Club in Hotland and encounter So Sorry.

Have a chat with Sans inside the MTT Resort.

Learn about Art Lessons from inside the MTT Resort.

Offer a Hot Cat to the Dog inside the MTT Resort.

Attend the guests requesting room service in the MTT Resort.

Spare Vulkin at LV 1 without being hit.

Spare Tsunderplane at LV 1 without being hit.

Spare Pyrope at LV 1 without being hit.

Spare the Royal Guards at LV 1 without being hit.

Spare So Sorry at LV 1 without being hit.

Spare Muffet at V 1, without being hit and without using a spider item.

Obtain a yellow description on every Hotland monster.

Leave Hotland.

Get a large sum of money from a trash can inside the CORE.

Break down the force field outside the end of the CORE through the sage's path.

Break down the force field outside the end of the CORE through the warrior's path.

Break down the force field outside the end of the CORE by being patient.

Eat Instant Noodles while the game is in Serious Mode.

Raise the ratings during Mettaton EX's fight by eating some on-brand food.

Somehow find the absolute best answer to an essay.

Spare Mettaton EX by raising the ratings to above 12,000 without removing his legs or using items.

Spare Mettaton EX.

Kill Mettaton NEO.

Spare Madjick at LV 1 without being hit.

Spare Knight Knight at LV 1 without being hit.

Spare Astigmatism at LV 1 without being hit.

Spare Whimsalot at LV 1 without being hit.

Spare Final Froggit at LV 1 without being hit.

Spare Mettaton without being hit.

Spare Mettaton EX without being hit.

Obtain a yellow description on every CORE monster.

Leave the CORE.

Pick up the Real Knife.

Pick up the Heart Locket.

Eat Butterscotch Pie in front of Asgore.

Tell Asgore how many times he has killed you.

Make Asgore recall the past by talking to him.

Defeat Asgore.

Spare Asgore at LV 1 without being hit.

Spare a nightmare after defeating it.

Defeat a nightmare and leave the Underground.

Go on a date with Alphys.

Have the watching man put you to sleep.

Read every journal entry in the True Lab in one session.

Spare Memory Head without being hit.

Spare Endogeny without the stick and without being hit.

Spare Lemon Bread without being hit.

Spare Snowdrake's Mother without being hit.

Spare Reaper Bird without being hit.

Leave the True Lab.

Talk Him down while having a Bandage equipped and without using items.

Talk Him down and leave the Underground with all of your friends.

Call Papyrus in every room you can.

Traverse back to Snowdin after the sign disappears.

Come back and see if the mouse succeeded in the Ruins.

Come back and see if the mouse succeeded in Snowdin.

Come back and see if the mouse succeeded in Waterfall.

Come back and see if the mouse succeeded in Hotland.

Keep pouring water in front of the water cooler, then come back to see life.

Talk with every single monster in the game during the True Pacifist ending, then talk to Toriel.

Beat the game on True Pacifist with all monster descriptions turned yellow.

Kill the maximum number of monsters possible (Minibosses, triple encounters with only 1 kill left, warrior's path after exhausting the kill count, etc).

Receive the flavor text "Doomed to death of KARMA!" in your final judgment.

Prove yourself in your final judgment.

Prove yourself in your final judgment without using recovery items.

Get the world erased.

Spare Parsnik at LV 1 without being hit.

Spare Migospel at LV 1 without being hit.

Spare Moldessa at LV 1 without being hit.

Reach the end of Hard Mode.

Beat Hard Mode in one session without being hit.

Reach maximum INV.

Reach maximum SPEED.

Consume every possible consumable in the game. Don't forget: Sticks and Punch Cards are consumables!

Hear every unique dialogue from the River Person.

See every flee message.

Listen to every Echo Flower.

Enter Sans's workshop.

Get Flowey to skip his boss fight.

Dodge all of the names of the Kickstarter backers and enter the mysterious door.

Get Flowey to tell you to stop playing.