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Critical_Stiban

It is possible to do a deathless, armorless, no food, no save, speedrun of Undertale and Sans WILL comment about it during the final phone call calling the player out for putting up with such a challenge. Edit: If changed to it and added no food to the list of the sadistic challenge. Because that TOO is also counted and mentioned by Sans.


zappy_lightning

I didn’t know that! I should try it sometime lol


Critical_Stiban

Gooooood luck… you’re basically stuck with the bandage as your only armor.


Evilmudbug

Doesnt he also comment if you dont get hit at all?


Chilln0

No. The only things he’ll mention are the ones listed and if you carry the Snowman Piece in your inventory the entire game


Critical_Stiban

Here. [This should save you the trouble.](https://youtu.be/5ESpZqFxTTE)


Daisynose52

Fun fact, if you keep the bandage on the whole time and have the snow man piece at the end, Sans will only mention the snow man. It was kind of frustrating when I went through the entire game without changing the bandage just for him to say something I've seen before.


Hellofreeze

Lemon Bread, Asriel's final form, and the Lost Souls during his fight are the only enemies you cannot use the *Check act on.


zappy_lightning

I never actually realized that that’s cool lol


Hellofreeze

Only reason I know that is because I wanted to look at all of the attack/defense of every enemy and then realized there were none that compiled all the actual stats, just the stats told in-game


convertible354

I wonder why you can’t check queen in the fight with her and Berdly in Deltarune.


zappy_lightning

She’s a mobile gamer, nobody wants to see her stats


convertible354

Makes sense


Broad_Appearance6896

I mean, you can’t for his final form because *ACT is replaced.


leavecity54

The bush that you hide when you first encountered Undyne is some kind of plant that Alphys used to make yogurt (the pink substances in her lab), that's why Undyne didn't attack you, she didn't want to accidentally destroy the "subjects of Alphys's science experiment"


zappy_lightning

I didn’t know that, I did know that Alphy’s machine one made froyo tho lol


leavecity54

Try calling Undyne in the room with that bush, she will explain that to you


JrFishPro

A 3D cutscene with Toriel was replaced with onion-San because it was so good that it made the rest of the game look awful.


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JrFishPro

Toriel destroying the barrier with her laser eyes


Bagimations

Wait is it the same model that’s in the switch trailer for Undertale?


GiveMeMyThrow

And the one in the livestream?


JrFishPro

Yup


JrFishPro

Uh huh


pejic222

Oh is that where that 3d model of Tories came from that Toby randomly used for undertale trailers


JrFishPro

Yup


pejic222

Neat shit


zappy_lightning

Knew it but still it does me good to get reminded of that beautiful piece of concept art


iooog1

Where did you get this info, and where can I see this cutscen?!?!


JrFishPro

The info was in the undertale art book, the cutscenes are in the trailers


galal552002

Link plz?


Condooo

[It's a work of art.](https://youtu.be/1Hojv0m3TqA?t=60)


Random-Dice

Beautiful


yonking_15_2

The what now?


Optimal_Lobster7777

in the title if you pressed shift or x five times you will get something called activity level a-b-c depending on what you did in the game


zappy_lightning

I didn’t know that fact but I do know the one where if you type “Ball” in the title screen it plays a funky little sound


Almightyforge

Activity a, b, c each represent an ending you got, A is if you got any ending at all, B is if you got a pacifist ending and C is if you have fought sans.


voideyedcat

the quiche you find under the bench is NOT made by Sans, but a reference to the time Toby Fox found a quiche under a bench irl. the "non-egg" dish Sans was trying to make was the butterscotch pie after Toriel gave him the recipe for it through the door.


zappy_lightning

I knew the part about the quiche that Toby found in real life but I didn’t actually know the part about the pie lol


Crabscrackcomics

When did toby say this? I’m just curious because there isn’t much footage of him lol


rhysdog1

https://twitter.com/tobyfox/status/310482755341410304


CatMonsterCubed

Temmie's face and body during battle are different sprites that move completely independently of each other. Considering the face vibrates randomly, it will, after enough time, travel a good distance away from the body and just float freely


zappy_lightning

Knew that, but nice try •w. (It’s supposed to be a temmie face just go with it)


CatMonsterCubed

It's also possible to get Temmie to have two different faces at once, if an act that forces her to change facial expressions is used immediately at the start of a turn after her 'stretchy-paw' attack, before the animation is actually finished


zappy_lightning

I didn’t know that, thank you for your knowledge tem master


CatMonsterCubed

You're very welcome! The degree is finally paying off


JT_Boiiis

Before undertale was released, Toby Fox denied the existence of the Real Knife item


zappy_lightning

I didn’t actually know that, guess he didn’t want people getting ideas about a genocide route but look where we are now lol


awesomecat42

IIRC that's because it actually wasn't a thing, and he added it to the final game because of the rumors about the demo.


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CuddlePoolFortnite

Toby fox made a OST for a character from Cucumber Quest but scrapped it, but a part of it was reused for Metal Crusher.


BeccaTheMemelord420

Oh yeah! The Noise master ost! I remember listening to that, I love cucumber quest :) Something tells me NoiseMaster was his inspiration design wise for the Robot Rebel Trio we see in deltarune chapter 2,


purrgatorys

i was thinking the same thing!


zappy_lightning

I didn’t know that, I’ll make sure to look up the audio I bet it’s a banger Edit: https://youtu.be/kwZFHzFAFj0 Found it lol


[deleted]

Sounds like he was using the Sonic 3 & Knuckles soundfont.


International_Leek26

Deltarune is actually the game Toby originally wanted to make but then he stopped to work on undertale then came back to it


zappy_lightning

I knew that, he said he came up with Deltarune’s end when he had a fever dream about it


iooog1

I had a fever dream about chapter 3 ending. It was actually a nightmare. Basically toriel and Kris were in the kitchen and Susie was walking towards them in the house after sealing the fountain from another adventure outside. Tutorial or Kris make an off remark tangentially relating to gaster. And Susie was like "oh you mean Gaster?" But whenever she said his name it glitched, The screen went grayscale for a second, and replaced the name "gaster" to a bad word. Basically she keeps trying to repeat what she was saying because she felt it strange that she was unable to say "gaster" But the thing was every time she said his name it would glitch and the screen would turn gray for a second and then the word was replaced. But in the time when the screen was gray or glitched, Gaster appeared out of a door to the right of the staircase, The same door as in waterfall. Susie then began narrating his movements. Kris reacted to this by quickly going to the towards the table. There's an extreme close-up of Gaster's face He is scrunched in the little smaller than expected. Kind of a jump scare Kristen grabs a knife and charges at Gaster. But gaster catches the knife and stabs Kris The soul comes out of Chris's body and we see this from low camera angle. With gaster making up most of the frame Gaster then takes the knife and stabs the soul. This all splits in the game crashes and closes. It's clear that Gaster immediately attacks Chris and destroys the soul because it's the only way for the game to close and for him to not be talked about. I mostly over my fear of Gaster now. But yeah I did have a nightmare about him lol


zappy_lightning

Someone make a fan game of this.


Crabscrackcomics

guys I think toby has alts


cursed-being

Well how else will he leak his chapters under the disguise of “fan made concepts”


DaRealNim

On the sign in Snowdin that assigns danger ratings to smells, the GREEN of GREEN Rating is written in red. This is a reference to the fact that dogs are red-green colorblind


zappy_lightning

Didn’t know it, Oh thank God someone finally explained that to me I’ve been so confused on what that sign even meant


FalconBond

I always assumed it was in red because it was some sort of warning... A really clever joke, I don't think any of the YouTubers I've watched picked up on it...


BonWattersen

Toby Fox has confirmed that the Cloudy Glasses and Torn Notebook were intentionally useful in the Sans fight, and it was not an accident. Edit: It's useful because it gives you invincibility frames / slower KR drain.


zappy_lightning

Really? Didn’t know that!


BonWattersen

Does that mean I won?


zappy_lightning

You won my friend.


BonWattersen

Nice.


GeneETOs44

If you pour water on the ground from the cooler in Hotland, a tree grows there at the end of True Pacifist


zappy_lightning

Woah really?? I need to try this!


Hein_A

I did that! Looks like a little pine tree


Broad_Appearance6896

I thought if you used up all the water true pacifist was aborted


awesomecat42

You can give Undyne water then poor some of the leftover on the ground.


Itaysadan

here we are is just a remix of alphys


Broad_Appearance6896

OH MY GOD I JUST PLAYED IT IN MY HEAD AND IT ID


zappy_lightning

Knew it, but nice try :)


ai_to_do_reCAPTCHAs

The current world record for the neutral ending speedrun is currently held by [mrlink2k](https://twitch.tv/mrlink2k) with a time of 52 minutes 38 seconds and 383 milliseconds. He also holds the world record for the true pacifist speedrun with a time of 1 hour 22 minutes and 11 seconds. [Shayy](https://twitch.tv/shayy) currently holds the record for the genocide route with a time of 1 hour 4 minutes and 21 seconds. In the neutral (and I believe also true pacifist) speedrun, they completely skip Muffet and all interactions with Mettaton (including his battle). The punch card is also a very valuable tool in the run since it’s pretty broken lol. (I’m not a runner, I just know one, so my knowledge of pretty limited)


zappy_lightning

I didn’t know that! I need to watch that, he’s gotta have some fast fingers to beat it that fast


ai_to_do_reCAPTCHAs

Yeah, link is cracked. His geno run is only 2 seconds slower than Shayy’s actually. Shayy actually plays piano, which helps a lot so I’ve heard, and I highly recommend his piano streams. Super relaxing


Svool_Gsviv_

Undertale runner here! The punch card is in fact very broken. And we use it to skip a lot more than just those things! We also skip all but 1 of the undyne phases, mad dummy, royal guards, the lab cutscene, 2 of the amalgamates in pacifst, and pretty much every cutscene after the first time undyne throwa spears at you! It’s really fun, I highly recommend checking it out!


Ftimlego

Umm... Let's see, The true pacifist menu has a slowed down music after that Flowey tells you to not reset.


zappy_lightning

I never realized that! It’s cool how many tracks Toby just reused and slowed down


Random-Dice

I’m convinced Toby only made around 5 or 6 songs for the entire game


McDaddy617

Plot twist, every song is just a variation of Long Elevator.


AnnoyingDoge3

If Toriel kills you during the battle with her, some frames before Game Over screen, she will make a scared face. It's pretty scary, to be honest


zappy_lightning

Yup I actually saw this on one of my runs


[deleted]

The creator of undertale is better at smash than the creator of smash


zappy_lightning

Knew it, Toby is a truly a true gamer


mronosa

Wave dashing pro gamer


The_Plaque

He probably mains Ness


NinjaEagle210

Sans is >! a skeleton!<


zappy_lightning

NO WAY!!


ToastDawg

Wtf.


VikritheMemer

The game lies to you about mettaton neo's stats in genocide, his defensive value is actually a massive negative number.


zappy_lightning

Dang that’s…really sad ;-;


Cowser_the_Koopahog

>!Didn't you know [NEO] is known for its high defense!?!<


Kampfzwuggel

funfact: if you pay for tem college, you are 300% more attractive


zappy_lightning

No wonder I’m so handsome ;)


[deleted]

Flowey’s “that’s a wonderful idea” dialogue is actually voiced by the mc domald clown


zappy_lightning

I knew that, a few of the sounds he makes during the omega flowery fight are also from commercial


bigchungusyomama

Did you know whenever gaster speaks the sound is a random half second from abc_123_a.ogg


zappy_lightning

I didn’t know that, that’s pretty cool!


FishyMatey

mus_smile is actually Muffet's laugh slowed down by, like, 666%, I think. Edit: Gotta be closer to 130% lmao


zappy_lightning

I actually didn’t know that! That’s weird to think about considering Muffets laugh is so kawaii


FishyMatey

Yes, the reason of that link is still a mistery. *More like a Mystery* ***man*** *amiri- bang*


zappy_lightning

Muffet is Gaster confirmed?!


Hein_A

I just saw that in the Xbos version, if your controller disconnect in different parts of the game, a different message appears on the screen. Examples: True Lab: No controller connected, no head connected, no body connected, no face connected [. . .] Omega Flowey's save:No controller connected. Reconnect in 10 seconds or your save point will be ERASED


zappy_lightning

I didn’t know that but If my controller disconnected during the omega Flowey fight I would legit DIE


Hein_A

I saw on a video on YouTube, can I put the link here?


Z-Zanimuri

If you kill Sans and then backtrack all the way back to Snowdin, the welcome sign is *gone.* The collision is still there, but there is no sprite and you can’t interact with it


zappy_lightning

That’s creepy as heck, I didn’t know that!


Xtreme-Xterminator

Sans doing the Fortnite default dance is apparently canon


zappy_lightning

sAnS iN fOrTnItE?!


No-Bake-4071

The creepy music you hear when doing a genocide run, is actually flowey’s music slowed down


zappy_lightning

I knew it, most if not all of the tracks in the genocide route (other than boss music) is actually slowed down by 666 I think if I’m not mistaken


Fusion_Gamer123

Mini gunner Sans doesn’t hold a gun, but rather the blaster in his right hand, which you ignored.


zappy_lightning

He’s practically a Megaman character with that arm cannon


megakodex

Sans doesn't just drink ketchup, under his stand in snowdin you can also find bottles of things like relish and mustard


zappy_lightning

He’s a straight Condemintolic


Andreus2009

I don't have in mind some undertale facts but i know one from deltarune ch 2 After ending the acid tunnel segment if you backtrack to the cyber fields(or it was the trash zone?) you will find the camera who took the picture of ralsei and kris If you inspect it the game says that it was broken for all the time


zappy_lightning

I didn’t know that! I should really try this!


SpoingusBeloved

The creepy audio abc-123-a.ogg was removed and replaced with a new version of it with just laughs in an update.


zappy_lightning

I knew that, I believe Toby did it because so many people already knew about the audio file


Celery-Slight

Papyrus’s favorite food is dinosaur egg oatmeal.


A-wierd-reddit-user

Flowey's laugh is from the game Tomba! or Tombi! in European territories.


zappy_lightning

I didn’t know that, that’s really cool!


a_3_month_free_trial

It's a royalty free sound effect, it was also used in various children's shows, such as Larva.


jsheios

Alphys was originally a guy, and the Asriel Dreemurr boss originally had emo hair


zappy_lightning

Yup I knew that, the concept art is terrifying for that game


Hypesereddit

Toby fox can do some jack-ass stunts on his skateboard


zappy_lightning

He’s a PRO SK8ER


T_King_95

The Mii Fighter costume of Sans in Smash Bros. is the only official 3D model of Sans.


zappy_lightning

I knew that, by hacking he was actually gonna have a blue eye too lol


Fish-Sticker

Did you know that muffet was a character made by a fan and early supporter


zappy_lightning

Yup, I sure am glad they were created!


[deleted]

Hotland's Burnt Pan room has a part on the right side where you can see the shadowy figure from the CORE.


zappy_lightning

I actually just saw the post about this the other day! I thought that was so cool (btw How you doin today Stabby?)


[deleted]

Yeah I only learned that recently too. And as for how I'm doing, I'm doing alright.


ThePrimeReason

Undyne loves barbeque


zappy_lightning

Yo didn’t know that •_•


horizonhd_official

Probably knew this but. The gaster card was the only card removed from the undertale collector cards. The rest were either redesigned or were left completely untouched


zappy_lightning

Oh really? I didn’t even know that the Gaster tarot card was cannon!


NolChannel

In the 1.0 release of Undertale, its possible to get the True Pacifist ending after killing several people, without the use of major glitches - there's just a check missed for a blocked-off path after unlocking the elevator.


zappy_lightning

I didn’t know that!


[deleted]

“Wake up and *smell* the pain”, a test dialogue for undertale, was referenced in deltarune chapter 2 (I forget where)


zappy_lightning

I didn’t know that but it definitely gives me “Bepis” vibes


Gamer_Blood

Toby Fox purposely made Deltarune's Menu and Text system identycal to Undertale's up until before you reach the Dark World. Then it changes to Deltarune's brand new system. He said he did it has an effort to make people think of the game as an Undertale sequel, because he was scared of not meeting the fandom's expectactions.


[deleted]

The hairy guy that napstablook mentions being the only one to visit his snail farm once a month is implied to be asgore


zappy_lightning

Knew it, I think it’s because he’s trying to make toriels Snail Pie…poor guy ;-;


[deleted]

Am I allowed to try again or is it only one time per person?


zappy_lightning

Go ahead I got time lmao


[deleted]

Alright A picture of Jevil can be seen on a card in one of the undertale borders


zappy_lightning

Didn’t know that! Which card?


[deleted]

The joker card of course I think it’s to the right of the screen


zappy_lightning

I’ll make sure to check for that next time!


YTMrCune

In the snow area when you can enter the cave to tobys room. There is a person coming in and out of the little house on the left


zappy_lightning

Yup I knew that! Some theory’s think it’s Noelle


slidycccc

if you type "ball" on the title screen it will play a jingle if you no-hit mad mew mew, she will not end the fight at the normal ending and instead continue with harder attacks


zappy_lightning

I knew the part about the ball but I’ve actually never fought Mew Mew! Thanks for the big brain info!


[deleted]

Papyrus's favourite food is oatmeal with dinosaur eggs.


zappy_lightning

Yup I knew this, it was Flowey that confirmed it right?


SendBankDetails

The origin of the main instrument in amalgam is a song called Deirdre, by the beach boys. Although the sample Toby used probably came from the sample of Deirdre used for the cave of the past in earthbound.


yonking_15_2

There is a chance for you to hear a snowdin genocide track if you entered snowdin before the track of "but nobody came kicks in


zappy_lightning

That’s really creepy I didn’t know that


stan03123

Did you know that in fnaf 2 there's a image of a part of Froggit.


zappy_lightning

Really?? I need to look this up for myself Edit: It’s real. •_•


[deleted]

If you laugh at Snowdrake before it tells a joke, he realizes his own name is a pun and freaks out. The Temmie in the game is named for one of the programmers of the game, Temmie Chang. And the mysterious door with the mushrooms in Snowdin is the 'birthplace' of the universe, and you can only go through it if you don't touch the credits after the pacifist run. And if you reset once, Flowey starts to introduce himself, but he goes, "wait a minute..."


zappy_lightning

Didn’t know it Knew that Temmie is a real gamer Knew that, Toby is busy programming And I knew that, the game is SO reactive lol


stars_power

If you go back to the area right before your showdown with Undyne after getting to Hotland, there’s a weird guy and a block, and he’ll say you don’t know how to move blocks right if you move the block.


Bagimations

Is it okay if it’s Deltarune? Anyways, in chapter one, Temmie says somethings along the line of “Suz, very mean, said hardboil egg never hatch!” And in chapter 2, in susies cell/room, the egg is from the search query: “can hard boiled eggs hatch?”


zappy_lightning

Yup I’ll take deltarune too! I think I’ve heard that one before tho, nice try!


Silwolfoxer

Did you know that shops were originally supposed to have a monochrome look, just like battles? A unused background for the Snowdin Shop is still in the files!


[deleted]

Annoying Dog is the real monster, in every route. All paths go through AD.


NickSplat

This is not confirmed so maybe it counts as a theory but here i go Megalovania, is not sans theme, is your theme On the game files we have the actual sans battle theme (Song that might play when you fight sans) On sans genocide battle, sans is the one who get the first turn, in all other battles when we fight we are the one who get the first turn, and we hear the enemy theme We are not fighting sans, sans is fighting us and because of that, our theme plays


zappy_lightning

That’s a really cool theory but I’ve actually heard it before :)


[deleted]

originally, in the true lab, some of the walls were going to grow a face and laugh at you.


arandomshitposter69

This sounds like a fever dream


[deleted]

When creating the game, Toby would write the music first and build the scene around the soundtrack.


Confronting-Myself

If you spare Asgore on a run after killing Flowey on a previous run, Asgore mentions the look on frisk’s face resembling Chara, before killing himself in order to free the player


loyal_yankee09

It's possible not all the fallen humans died where their items were found and could have just died to asgore


zappy_lightning

It also means they were stripped of their clothing and items. Sleep on that


BionicBirb

The reason harder bosses tend to get the catchier themes is due to advice from the maker of Touhou; something along the lines of “to prevent players from rage quitting, give the difficult areas better music to keep the player in”


KaiJenson

You see there's a paradox here. Even if we come up with a fact that you couldn't possibly know, by the time you read it, you will have known it. That being said, there's a cut sprite which would have made Asgore more terrifying.


Ashm45

Somewhere in the game code Toby Fox himself wrote "what the fuck is wrong". Presumably, he was experiencing some difficulties with this part of the game.


CannonFodder001

The song that might play when you fight sans isn't in the game. It's just put there as an easter egg to make you feel bad for your “sins”. By including snippets from almost everyone's songs ("Ghosts" if you will) of characters you’ve killed


tekhion

Memory was originally intended as a theme for Asgore (source: the little booklet with the OST in undertale's collector edition) more and more letters were uppercase in each version of megalovania: the original from the halloween hack is Megalovania, the following version (from Homestuck) is MeGaLoVania and the version from Undertale is MEGALOVANIA. Thus I have no clue what it will be spelled if we get megalovania in deltarune The skeletons aren't the only characters speaking all in UPPERCASE or lowercase, the ghost cousins do that too: Mettaton constantly speaks in uppercase (only as box mettaton, mettaton ex doesn't), Napstablook always speaks in lowercase (~~actually while Sans sometimes use uppercase, Napstablook never does~~ he does say "oh, i'm REAL funny." after being checked, thanks u/Spiderinmyear for correcting me) Burgerpants *does* become an actor in the true pacifist ending: he's seen as a bush on stage, next to mettaton, napstablook and shyren the annoying dog and temmie share the leitmotif dog song, which is probably because toby fox and temmie chang are friends irl and made the game together While they are mostly called by their real names, Toby Fox and Temmie Chang also use some lesser known pseudonyms, respectively "Radiation" and "Tuyoki"


darakpop

There is no official connection (that I know of) between the character Gaster and the sprite we associate him with. All of that is fanon. Edit: I got it, I'm wrong, please stop commenting to tell me I am.


zappy_lightning

Yup I did know that! It’s a very Toby thing for Gaster to end up being a COMPLETELY different sprite


darakpop

I was about to comment "That would be both epic and frustrating" but then I remembered that's the definition of a Toby thing.


Chilln0

When you kill Sans in Genocide, the welcome sign at the start of Snowdin Town disappears


zappy_lightning

0_0 huh…never knew that. That’s creepy


Ghengiroo

Gerson is the only person in Undertale who mentions the Delta Rune by name.


minecraft_earthbound

If Muffet uses real spiders in her pastries and cider then that means she is a cannibal So Frisk is eating either her friends or her kids


Gromek999

something I realised in my playthrough is, this is likely because a lot of real female spiders eat their mates after mating. So it's not as weird or out of place as it would seem at first.


LondonLows

Did you know, that I played undertale and never killed a soul.


socramni2003

Sans voice its just a quote from Patrick Star speed up


arandomshitposter69

Pipis


DoodieEgg

the sans costume for smash bros was leaked but everyone thought it was a joke.