A list of Undertale AUs you can find being updated on Quicksilver and our affiliate pages, featuring one track from each AU so you can find their respective playlists from there. Some of these AUs are updated rarely, but if they're on here then there are still plans to continue them!

Quicksilver's Active AU Masterlist!

*Man, we sure have gone on a crazy adventure, haven't we?
*I wanna stand here and tell you that everything's fine, and I'm not nervous about how this is all gonna end...
*But I can't lie to you anymore. I can't lie to myself anymore.
*I'm a big kid now.

Aftergore is a series of AUs taking place after Undertale's neutral endings, in which a new human enters in Frisk's wake.
Aftergore I, the Incomplete/Flawed Pacifist ending, details an ending in which everyone (except for Asgore) was spared and befriended. Toriel has taken her ex-husband's place, ruling the Underground with both strictness and kindness. Humans are to be treated not as enemies, but as friends.

Monster Kid takes the role of Papyrus. Now they're a teen, but even with a bit more angst they're still the monster we all know and love. They're just trying their best to fit in among the toughest environment of all...high school. Will they forego their morals to be the very coolest?

Yes, in Aftergore I, the "It's Raining Somewhere Else" scene is for the Papyrus replacement rather than the Sans replacement. Monster Kid has been partnered with Nex for his entire journey, and now as it comes closer and closer to a close, Monster Kid needs to talk to Nex about some important matters. Time to get some heavy stuff off of their armless chest.

Soundcloud absolutely massacred the thumbnail quality for no reason, here it is without Soundcloud foolery and without text: https://cdn.discordapp.com/attachments/634565875227295762/936951140510216192/1632175428984-2.png

Learn more about Aftergore and other projects here! discord.gg/qmtQxwYKfD

Aftergore logo by @repeatsc, Toadie, and @shiny_emerald
Art by @burnedtraveller, thumbnail by @shiny_emerald

[Aftergore I] A Matter of Trust

Seems like an update to a track called "A New Chapter" would be a proper celebration for our return!

Aftergore is a series of AUs taking place after Undertale's neutral endings, in which a new human enters in Frisk's wake.
Aftergore II, the Betrayed Undyne ending, details an ending in which Frisk ruins their streak of pacifism right before the end, slaying the celebrity robot Mettaton on live television. Toriel has taken her ex-husband's place after his death, and she struggles to maintain morale in an increasingly wary underground. Humans are to be treated not as enemies, but as friends. At least...in theory.

Learn more about Aftergore and other projects here! discord.gg/qmtQxwYKfD

Aftergore logo by @repeatsc and Toadie

[Aftergore II] A New Chapter

The year was 199X.
It was the height of the 16-bit era.
And one company reigned supreme.

Leitmotifs present are:
* Earthbound - Title Screen
* SNES Classic Edition - Main Menu

All rights belong to Nintendo, etc etc.

16 Bits Sequestered is an Undertale AU centered around the SNES Classic Edition, featuring characters/locations from the games pre-packaged with that system. Ness takes the role of Frisk.

For more information on 16 Bits Sequestered and many other projects, join our Discord!
https://discord.gg/qmtQxwYKfD

This song is also on our YouTube channel, and can be found here:
https://youtu.be/OJdbBl9gLIc

AU logo by: stellardee (https://twitter.com/stellardee_)
Thumbnail by: Toadie
Song title by: Slick Silver

[16 Bits Sequestered] Simpler Times

Thank you once again to @bence1114 for keeping up the supply of daily Aftergore uploads!

Aftergore is a series of AUs taking place after Undertale's neutral endings, in which a new human enters in Frisk's wake.

For the first four variations, this is the menu theme during the Genocide Route.

Learn more about Aftergore and other projects here! discord.gg/qmtQxwYKfD

Aftergore logo by @repeatsc

(Guest Track - Bence) [Aftergore] A Very Different Story

Luna es imaginada. Luna es inalcanzable como la luna...
performed by Matty 13
written and produced by Novo Pinto 
artwork by Matty 13 & Novo Pinto

Rebel

Luna

Matty 13 - Luna

*The wind howls around the barrier.
*At long last, two pillars of determination...face to face.
*The queen beckons you to pour all of your heart into this fight.
*So that's exactly what you'll do.

Aftergore is a series of AUs taking place after Undertale's neutral endings, in which a new human enters in Frisk's wake.
Aftergore IV, the Queen Undyne ending, details an ending in which Toriel and the Ruins monsters are killed, but everyone else is left unharmed (other than Asgore of course). Undyne rules the Underground with an iron fist. Humans are to be treated as enemies, not friends.

Unsurprisingly, Undyne takes the role of Asgore. With her hero gone, she has furiously taken over the Underground, and rules it militantly. She has vowed to break the Barrier by any means necessary, and strike vengeance upon mankind for their transgressions. The world will come to fear the name QUEEN UNDYNE.

Learn more about Aftergore and other projects here! discord.gg/qmtQxwYKfD

Aftergore logo by @repeatsc
Undyne art by @moonstrikefour

[Aftergore IV] The Meaning Of Justice

*(The overwhelming smells of ozone and perfume intimidate you.)
*(And yet, they beckon you to stay determined.)
*(So that's exactly what you'll do.)

Made by @moikey1

Aftergore is a series of AUs taking place after Undertale's neutral endings, in which a new human enters in Frisk's wake.
Aftergore I, the Incomplete/Flawed Pacifist ending, details an ending in which everyone (except for Asgore) was spared and befriended. Toriel has taken her ex-husband's place, ruling the Underground with both strictness and kindness. Humans are to be treated not as enemies, but as friends.

Mettaton keeps his role, and has upgraded Hotland to be the ultimate set for the triumphant return of his acclaimed shows! There will be more drama! More romance!(?) More bloodshed!

Learn more about Aftergore and other projects here! discord.gg/qmtQxwYKfD

Aftergore logo by @repeatsc and Toadie

(Guest Track - Moikey) [Aftergore I] Improved Medium

*Somehow, it smells like a grand finale.

Made by @moikey1

Aftergore is a series of AUs taking place after Undertale's neutral endings, in which a new human enters in Frisk's wake.
Aftergore I, the Incomplete/Flawed Pacifist ending, details an ending in which everyone (except for Asgore) was spared and befriended. Toriel has taken her ex-husband's place, ruling the Underground with both strictness and kindness. Humans are to be treated not as enemies, but as friends.

Mettaton keeps his role, and has upgraded Hotland to be the ultimate set for the triumphant return of his acclaimed shows! There will be more drama! More romance!(?) More bloodshed!

Learn more about Aftergore and other projects here! discord.gg/qmtQxwYKfD

Aftergore logo by @repeatsc and Toadie

(Guest Track - Moikey) [Aftergore I] Final Stage

*A human, huh!?
*Haven't seen one of you punks in a while!
*The name's Undyne, proud assistant to the royal scientist!
*...don't give me that look, I'm not some NERD!
*My science has EXPLOSIONS! AND LASERS!

Aftergore is a series of AUs taking place after Undertale's neutral endings, in which a new human enters in Frisk's wake.
Aftergore I, the Incomplete/Flawed Pacifist ending, details an ending in which everyone (except for Asgore) was spared and befriended. Toriel has taken her ex-husband's place, ruling the Underground with both strictness and kindness. Humans are to be treated not as enemies, but as friends.

Undyne takes the role of Alphys. She's the assistant to the burnt out royal scientist Alphys. Undyne has much more enthusiasm for the job, mostly because having access to a wide range of chemicals means you get to find all new ways to heroically pummel your enemies into oblivion.

Learn more about Aftergore and other projects here! discord.gg/qmtQxwYKfD

Aftergore logo by @repeatsc and Toadie
Undyne sprite by @moonstrikefour

[Aftergore I] Suplexing For Science!

Amazing promotional art by @burnedtraveller!

The writeup for Aftergore I will be released eventually-- when it does, this will play at the start of every new section, getting gradually further along as the story progresses. Toadie did a great job making this escalate properly!

Aftergore is a series of AUs taking place after Undertale's neutral endings, in which a new human enters in Frisk's wake.
Aftergore I, the Incomplete/Flawed Pacifist ending, details an ending in which everyone (except for Asgore) was spared and befriended. Toriel has taken her ex-husband's place, ruling the Underground with both strictness and kindness. Humans are to be treated not as enemies, but as friends.

Learn more about Aftergore and other projects here! discord.gg/qmtQxwYKfD

Aftergore logo by @repeatsc and Toadie

[Aftergore I] A New Chapter

*You thought I would LIMIT myself to ONE FORM!?
*Foolish! Laughable! MORONIC!
*I'm versatile! Adaptable! Fabulous!
*THAT'S ME! THE MAD...
*Erm...WHATEVER I AM!

Day 3/12 of the Quicksilver 12 Days of Christmas event.

Aftergore is a series of AUs taking place after Undertale's neutral endings, in which a new human enters in Frisk's wake.
Aftergore II, the Betrayed Undyne ending, details an ending in which Frisk ruins their streak of pacifism right before the end, slaying the celebrity robot Mettaton on live television. Toriel has taken her ex-husband Asgore's place after his death, and she struggles to maintain morale in an increasingly wary underground. Humans are to be treated not as enemies, but as friends. At least...in theory.

Mad Dummy takes the role of Napstablook. However, they don't just fight you once. For daring to disturb them in New New Home, they come back to haunt you in Snowdin! Seems they just can't settle on a body...

Learn more about Aftergore and other projects here! discord.gg/qmtQxwYKfD

Aftergore logo by @repeatsc and Toadie
Mad Snowman sprite by Toadie

[Aftergore II] 'Tis the Season to be Angry!

This will-- unsurprisingly-- be the last Aftergore track of 2020. Figured this would be a good way to end the year-- a new chapter is upon all of us, with a new year finally in sight.

Aftergore is a series of AUs taking place after Undertale's neutral endings, in which a new human enters in Frisk's wake.
Aftergore III, the Exiled Queen ending, details an ending in which only Undyne and Asgore have been killed. Toriel tried to claim the throne, but threats of a coup quickly sent her back to the Ruins. Now the Underground is in a state of instability and semi-anarchy. Humans are to be treated as...well, it's unclear right now, but it's not good.

Learn more about Aftergore and other projects here! discord.gg/qmtQxwYKfD

Aftergore logo by @repeatsc and Toadie

[Aftergore III] A New Chapter

WELCOME TO SNOWDIN SECURITY HEADQUARTERS!
ALSO KNOWN AS MY HOUSE!

This is Aftergore track 1/4 of the Four Chambers of the Heart Valentines event!

Aftergore is a series of AUs taking place after Undertale's neutral endings, in which a new human enters in Frisk's wake.
Aftergore I, the Incomplete/Flawed Pacifist ending, details an ending in which everyone (except for Asgore) was spared and befriended. Toriel has taken her ex-husband's place, ruling the Underground with both strictness and kindness. Humans are to be treated not as enemies, but as friends.

There are some other dates besides the one with Monster Kid, namely with Papyrus and Alphys. This theme is for THOSE dates, while Fun Time at Grillby's is for Monster Kid.
Listen to that here if you haven't already: https://soundcloud.com/toadiedoesalltheworktbh/aftergore-i-a-fun-time-at-grillbys

Learn more about Aftergore and other projects here! discord.gg/qmtQxwYKfD

Aftergore logo by @repeatsc and Toadie

[Aftergore I] More Dating!?

*(The cobwebs surrounding you are overwhelming.)
*(Yet, you must stay determined.)
*(So that's exactly what you'll do.)

Aftergore is a series of AUs taking place after Undertale's neutral endings, in which a new human enters in Frisk's wake.
Aftergore III, the Exiled Queen ending, details an ending in which only Undyne and Asgore have been killed. Toriel tried to claim the throne, but threats of a coup quickly sent her back to the Ruins. Now the Underground is in a state of instability and semi-anarchy. Humans are to be treated as...well, it's unclear right now, but it's not good.

Muffet takes the role of Undyne, and Waterfall has been absolutely infested with spiders. With Waterfall's main guardian having suddenly vanished, Muffet sees it as a great place for the spiders to expand their business. Go in there with a full wallet, and you'll come out with it being empty...if you come out at all.

Learn more about Aftergore and other projects here! discord.gg/qmtQxwYKfD

Aftergore logo by @repeatsc and Toadie

[Aftergore III] Up the Waterspout

*PYROPE - ATK 25  DEF 12
*This burning bundle would describe itself as "pretty fire."
*Its heat shimmers make things much harder to see.
--

Relevant swaps here:
Waterfall <-> Hotland
Aaron <-> Pyrope
Woshua <-> Vulkin
Moldbygg <-> Tsunderplane
Shyren <-> Dress Lion
Loren <-> Heats Flamesman

Heatrise Heights

Hey there, welcome to the channel! We are Slick Silver (he/him) and Toadie (they/she), and we make too many Undertale AUs!

Uploads come whenever we can manage them, we do not have an upload schedule, currently.

Unless otherwise stated, all songs on this channel are created by @dashingtoadie-the-sequel, and all descriptions are written by @slick_silver. These may be formatted a bit differently from their SoundCloud counterparts, but will contain the same information on both sides!

A big thank you to the wonderful @austhetic for putting together the awesome banner and profile icon.

We try to respond to as many comments as we can, but inevitably we may end up missing some. Sorry if we miss yours!!

[Aftergore II] A New Chapter

Quicksilver

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MOTHER of the Underground~

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Bowser Man

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