[OUTERNEGA] Undertale Universe RPG

Welcome!

You joined the game, have fun!

What are AU portals doing in here?

Enter the Barrier.

Undertale, but more aggressive

Enter Underfell, your first AU.

Undertale, but the roles have swapped

Enter Underswap

Stepping into a parallel story

Enter Deltarune

Undertale, but things have shifted

Enter Storyshift

Banished to outer space

Enter Outertale

Papyrus no longer believes in you...

Defeat Disbelief Papyrus' first and second phases.

3 pairs have been altered

Enter Altertale

Underswap, but edgier

Enter Swapfell

Underswap has apparently swapped again

Enter Swapswap

A sad AU...

Enter Negatale, the first AU in Universe 2

Yet darker...

Defeat Final Gaster

The madness consumes thee...

Enter Dusttale

Fallen Hyperdeath

Defeat Final Asriel

Now there are AU portals in the void?

Enter the Void

Your journey has only just begun...

Defeat Weak Underplayer and unlock Universe 2

The power of friendship wasn't enough!

Defeat Disbelief Papyrus' third and fourth phases

Looks like Undertale's monsters got tougher

Enter Hardtale

I'm the only one in this dusted world...

Defeat Extremely Weak Dustdust Sans [EVENT]

Outertale, but edgier...

Enter Outerfell

Storyshift seems to have gotten edgier

Enter Storyfell

The fallen heroine...

Defeat Undyne the True Undying

Storyshift, but it's swapped around

Enter Storyswap

The game is just getting harder...

Enter Fellswap, the first AU in Universe 3

Vengeance fueled by shattered hopes

Enter Undertale: True Genocide

Monsters lost at sea

Enter Oceantale

Deltarune just got edgier

Enter Deltafell

Glitches in the timeline

Enter Glitchtale

I've been killin' to meet ya, kid.

Enter Undertale: Something New

A Post-Neutral downfall

Enter Horrortale

A brother with a cold heart.

Defeat Misbelief Papyrus' first and second phases

The power of combined hatred?

Defeat Misbelief Papyrus' third and fourth phases

Entering a dark universe

Enter Darktale

Guess I'll *sea* you later, kid.

Defeat Oceantale Sans

Dancin' in the underground

Enter Dancetale

The elemental AU

Enter Elementtale

They don't seem very happy

Enter Monofell

A digitized underground?

Enter Digitale

Soul legend

Beat the Seven Souls Rush and unlock Universe 3

Looks like Sans got a little bit lucky.

Enter Lucktale

Space seems... dusty?

Enter Outerdust

When the sorrow meets edge

Enter Negafell

A Victorian-styled underground

Enter Underkeep

All for one and one for all!

Enter the Disbeliefverse

Enraged vengeance!

Defeat Extreme Fell Sans, hidden in Underfell Sans' arena

A classical fail

Defeat Classicswap Papyrus, hidden in Underswap's lobby.

Let there be carnage...

Enter Dustfell

That's not very epic of you, bruh.

Enter Epictale

Now Underfell has the Post-Neutral downfall

Enter Horrorfell

2 sides of the same coin...

Enter Dreamtale

INSANITY

Defeat Insanity Sans

A futuristic underground

Enter Cybertale

Stuck in the SAVE Screen

Enter the Afterverse

Triple the threats, triple the power

Enter the Trioverse

An underground journey for Justice

Enter Undertale Yellow

Keep going...

Enter Undertale: Final Genocide

Dang, space is creepy now...

Enter Outerhorror

Underswap Papyrus has gone mad

Enter Dustswap

Alpha Sans' invention...?

Endure Trapjaw's ambush. Seems rather out of character for someone like Alpha Sans to create something like this, don't you think? Something doesn't add up here...

An AU beyond anything you have seen?

Enter Errortale?

Master of souls...

Defeat Full Power Underplayer and obtain the Soul Sword!

A clear... AU...?

Enter Inktale?

Keep going...

Eliminate the guardian? Something didn't feel right with Ink Sans and when we fought Error in Errortale, were those fakes?

A Judgeful Christmas (2025)

You showed up to a jolly and judgeful christmas, hope you had a great year!

A "god" under the stars?

Survive the Judge's attacks. You sure he should be a "Multiversal Judge" with an attitude like that? Something doesn't seem right here...

Above death itself...

Defeat the God of Death, Reapertale Sans

A voice that calls me...

Defeat the real Ink Sans alongside Error and encounter the "Vessel," unlocking Universe 4

An old dimension

Enter Ancienttale

When Underfell becomes... tame?

Enter Fellfell, the first AU in Universe 4

Don't forget...

Thank you for buying this gamepass, it'll allow you to replay past events

Swapped around in space

Enter Outerswap

Halloween and Thanksgiving Event 2025

you showed up to the Halloween and Thanksgiving Event!

Altertale, but swapped

Enter Alterswap

Let the show go on!

Enter Underorchestra

Where... am I..?

Enter the True Lab, an area that holds unknown mysteries

Swapfell, but different...

Enter Swapfell Arcane

The dimension of love

Enter the Valentines Day 2025 event.

Dancin' on the Deadline

Enter Fellswap Emerald

Deeper into space...

Enter Outerouter

The shifted murderer...

Enter Dustshift

An AU corrupted by tyranny

Enter Negativetale

DO YOU WANNA HAV BAD TOM?

Enter Underpants

Mercy shall not be accepted

Enter Hardfell

You should join the mafia, kid

Enter Mafiatale

The edgy killer

Enter Killerfell

EN GUARDE, HUMAN!

Enter Dustbelief

The topic is different...

Enter Differenttopic

The echoes of my liberation

Enter Echotale

The negativity has been dusted

Enter Negadust

The swapped killer

Enter Killerswap

HUMAN, I WILL ANNIHILATE YOU!

Enter Dustgust

Glitchtale, if it was edgy

Enter Glitchfell

Killer of the Cosmos

Enter Outerkiller

Where the fates of the lost souls have inverted

Enter Inverted Fate

An unknown doorway

Enter Deltarune Chapters 3 & 4

The Roaring Fraud

Defeat the Roaring Knight

A tale beneath Mt. Corona

Enter Undertoad

The fates of dreams have swapped

Enter Dreamswap

The unhinged tall skeleton

Enter Insanityswap

Kill or be killed...

Enter GG!Underfell

YOLO!

Enter Underfresh

An AU you shouldn't have crossed

Enter Xtale

SYSTEM!OVERLOAD

Enter_FATALTALE:ERRORCODE_NULL ERROR_Message: Fatal_Error not identified, could this be a fake?

The bone of patience

Enter Undershuffle

What is this place?

Enter the Omega Timeline

Pre-Leaked vengeance

Enter Dusttrust

Underswap, with a little twist

Enter TS!Underswap

The finale?

Beat the real Fatal Error and beat Universe 4

The first AU of Universe 5

Enter Alterfell

Storyshift, but in space

Enter Outershift

The dust has plugged into Swapfell like a cord

Enter Dustcord

I am always watching

Enter PRUNSELVERSE

When did I axe you to go here?

Enter Axetale

This dancing world seems edgier

Enter Dancefell

I am rich!

Enter Fellswap Gold

The purgatory awaits

Enter Underhell

Why did you take away his happy ending?

Defeat Deltarune Sans [EVENT]

A safer place

Enter Angeltale

Anomaly Rush Part 2

Enter Pocket Dimension 2

Bested by a filthy landlubber...

Defeat Oceanfell Sans

Another Broken Economy

Enter Negativeswap

A verse of creation and protectors

Enter Inkverse

I have become error, the destroyer of AUS

Enter Errorverse

No longer trapped in the moon

Enter Outerglitch

A fallen dream...

Enter Dreamfell

Insanity, with an emphasis on edge

Enter Insanityfell

Everything looks so... anormal...

Enter VirusBound (Freaktale)

This place seems swapped... Yet normal?

Enter Revertswap

A tale under the water

Enter Spongetale

Until their last justice.

Enter Underswap: True Massacre

A swapped version of another tale

Enter Deltaswap

Same story, different friends

Enter Revertfell

That horrible world is healing again...

Enter Reverthorror

The other side of a sponge

Enter Spongeswap

Recalled memories

Enter Revertdust

Unexpected betrayal

Enter: Underfell: True Betrayal

The world turned around

Enter Storyspin

The other side of a spin

Enter Swapspin

Sans with a gun?!!

Enter Sudden Changes

A twisted reflection blinked into being

Enter Swapswapfell

Shifted Twice

Enter Shiftshift

A Killer Reverted

Enter Revertkiller

Broken hero...

Defeat the Spear of Vengeance [LIMITED EVENT]

True plushie sans

Defeat true plushie sans. (ADMIN EVENT)

Slayer of fish.

Defeat Underfell Undyne the True Undying [LIMITED EVENT]

Timelines stopping and starting...

Defeat Time Paradox [EVENT]

A broken promise.

Defeat Dustbelief Papyrus [LIMITED EVENT VERSION]

Enraged DustInk

Defeat Hyper!DustInk Sans

A Negativity Exosphere

Enter ON (Abbreviated)

Defeat of the Evil Turkey

You were able to comprehend the pain of this quest, good job and have a delightful thanksgiving.

Sansta's Christmas Spirit

Defeat Sansta (Christmas Event 2025)