Allow me to introduce my Undertale Crossover AU, Underplex. The humans are replaced with characters from live action Movies, and the monsters are replaced with characters from animated Movies.
It's been in planning since December 2016, believe it or not.

This is the Intro Theme. The Leitmotif is "Game Over" from Spy Kids 3D.

For the Characters so far, Juni from Spy Kids 3D is Frisk, Anna from Frozen is Toriel, Beta Wolf and Alpha Wolf from Storks are Sans and Papyrus respectively, Elsa from Frozen is Asgore, Cameron from Incarnate is Chara, and the rest will be revealed with their themes, coming soon.

[UNDERPLEX] Welcome to the Theatre/And Now, Our Feature Presentation

This is an Early version of the Menu theme. I have 2 versions of this: Minor Key and Major Key. This is the Minor Key version.
Leitmotif is, again, "Game Over" from Spy Kids.

[UT AU ~ UNDERPLEX] Movie Menu (Minor Key Ver.)

The Core in Underplex will represent Titan A.E. I sure hope any of you here on SC know what that is.
Leitmotif is "Like Lovers (Holdin' On)", which I had transcribed by ear.

I have no Idea what else to say, other than I'm really happy with how this came out.

[UT AU ~ UNDERPLEX] MOTHERSHIP

Elsa from Frozen replaces Asgore in this AU. This theme plays just moments before her battle. Leitmotif is the beginning of "Let It Go."
Elsa's battle theme could come next, but I haven't finished it yet.

The title is "Queen of Winter" in Norwegian.

[UT AU ~ UNDERPLEX] Dronningen Av Vinteren

Anna from Frozen replaces Toriel in this AU. This is, of course, her intro theme. Leitmotif is "For The First Time in Forever."

[UT AU ~ UNDERPLEX] First Live-Action Human In Forever

Alpha Wolf from Storks replaces Papyrus in this AU. You were probably expecting his theme to use another Storks score for the Leitmotif, but it is, instead, the Wolfman Battle theme from Tetris Battle: Gaiden.

Alpha Wolf art in thumbnail is by me. I wish I had an account on Tumblr or something so I could show the whole thing.

The title for this, in it's file, is actually "HRAA HA HA!!!" - what I apparently intended his laugh to be here - but I went with "Rawr! Ha Ha Ha!" instead because why not?

[UT AU ~ UNDERPLEX] Rawr! Ha Ha Ha!

I felt like uploading this one. This is Panic Puppet Zone from the Genesis version of Sonic 3D Blast in the style of Megalovania.

This isn't the first Megalovania track on my computer, but it's apparently the first on my SoundCloud. Well, let me know what you think of this anyways! ^w^

I'm actually working on a Megalovania for Underplex, too!

Background in the Thumbnail is a Screencap of Panic Puppet from Sonic Retro, edited by me.

[UNDERTALE x SONIC 3D BLAST] PanicPuppetLovania

Doris the Bowler Hat from Meet the Robinsons replaces Flowey in this AU. But then, who replaces Asriel? We'll find out eventually.
Leitmotif is "The Future Has Arrived."

Made this last night. It's the closest to the actual "Your Best Friend" style I've ever gotten. (Also, like PanicPuppetLovania, it's not my first YBF track on my Computer, but the first on my SC, apparently.)

[UT AU ~ UNDERPLEX] A Friend From The Future!

Edit 12/2/17: Wow, when I posted this a while back, I wasn't expecting it to "blow up" that fast! Guess you guys really like Gaston and/or Mettaton. ^w^

Gaston from the 1991 version of Beauty and the Beast replaces Mettaton in this AU. And yes, he has a "Box Form." (Because why not? >w<)
Leitmotif is "Gaston (Song)."
Art in the thumbnail by me.

Also, sorry for the inactivity! ^w^"

[UT AU ~ UNDERPLEX] No One Runs a Show Like Gaston!

This is a Special version of Beta Wolf's theme for UP that I created and rendered on May 5th, 2017, and didn't post until now. Today marks the first Anniversary of the Storks movie, where Beta originates from, so I kinda felt like releasing this because of it.
And look! New Beta Wolf art in the Thumbnail! (Tried to make him look more accurate to his original self)

Leitmotif is still "Wolf Pack," but now it's more Epic!
And did you know that I accidentally saved this over the original while I was working on it? That was a big goof that happened to me. -w-" (12/2/17: And by that, I mean I was working on this using the original as it's base, and accidentally hit "Save" instead of "Save As" when it was half-done.)

As for Underplex's Anniversary? That shall be on December 21st, because that was when I started making songs for it in 2016. (Yes, UP is already almost a Year old, but it's only 3 MONTHS old here, I guess.)

[UNDERPLEX] Beta Wolf. (Special Version)

Sorry for the long silence (again), but I'm actually far from done.
This is another track that's been sitting in my Computer for a while now,
so I figured, why not post it? This is an Experimental version of Anticipation for Underplex. It's nothing much besides an Orchestral remix of the original Anticipation, notably inspired by Super Smash Bros. Melee. There's an Enemy Approaching that I'm working on too,
which I hope to complete soon!

Also, Underplex has a new Logo! (And yes, that's Film Tape in the background, which fits the AU's theme!)

[UT AU ~ UNDERPLEX] Anticipation (Experimental)

This is the theme of the Ruins in Underplex, where it's named the Olympus Ruins, as it represents Disney's Hercules. Finally finished this track yesterday, and I was working on it since May 2017.
(Procrastination included!) This is pretty much inspired a bit by Underswap's Ruins, being 4/4 instead of 3/4 and having Jingle Bells in the percussion. ^w^

Leitmotif is "Go The Distance," with a not-all-that-original Piano which has very tiny peices of "For the First Time in Forever" and "Wolf Pack."

Area artwork by me, with some Sprites and Colors from a Hercules Mobile Game from Spriter's Resource. The golden sign on the left reads "Welcome to the Olympus Ruins" in Greek.

[UT AU ~ UNDERPLEX] Olympus Ruins

[10/20/20] Yes, this AU is still alive (more or less), however I'm yet to work up the motivation to make more tracks. Plus making songs with SynthFont has gotten a little harder to do as of it's latest update. But I promise, more tracks will come eventually! :)

This is Undertale: Time Twisted, my first and oldest AU dating all the way back to February/March 2016. It's simply Undertale with the Time Traveling features of Sonic CD. This allows you to undo the war, which should also prevent other terrible events, such as (but not limited to) Chara's and Asriel's deaths.

This is the theme of the Past Ruins, arranged like Tidal Tempest's Past theme. I know that doesn't really fit the design in the Thumbnail, but that's actually a mock-up of what it could look like. (Besides, I made the track before the design)

(This AU is not to be confused for any similarly-named ones!)

[UT AU ~ UT: TIME TWISTED] Ruins (Past Ver.)

Yay, a new UP Track! This is the theme of Anna's Home, which is meant to be based on the interior of Arendelle Castle. Leitmotifs are "(Do You Wanna) Build a Snowman" and "First Time in Forever."

Also, sorta-decent 4/4 Swing!

[UT AU ~ UNDERPLEX] A Sisterly Residence (Working Title?)

"I'D BE CAREFUL IF I WERE YOU, HUMAN! YOU'RE DEALING WITH A VERY BRAVE AND POWERFUL GUARD, NYEH HEH HEH!!"

Weren't expecting this, were you? I was requested by Funside, Colored Reality's creator, to make a Bonetrousle for this AU.
Colored Reality is an AU where all the main monsters (and probably the minor ones too) are given human SOULs, and Papyrus got Bravery.
So this is basically Bonetrousle, but epic. Complete with the Trumpet and String instruments from Battle Against a True Hero and a very faint Spear of Justice leitmotif! ^w^

AU by Funside ( https://soundcloud.com/colored-reality-59951039 )
This Track is Based on "A Brave and Powerful Guard!" by Box ( https://soundcloud.com/carathedethdemon )
Color!Papyrus sprite by Me using some tiny components from his Scramble Saga sprite.

The AU's Discord: discord.gg/Rum4gUJ (I can't join it because I don't have a Discord yet -w-")

[UT AU ~ COLORED REALITY] BRUTAL BASH!

Well, how ‘bout that? First, a comissioned song for an AU, and now I co-own one!
Me and Funside ( https://soundcloud.com/funside-59951039 ) present to you “Team Galactical's Outertale!”
(Or TG!Outertale, if you’d like)

This is the Intro theme for the AU, which I made and Fun named. I intended it to be a Space-like Arrangement of the original Once Upon a Time with bits and peices of Reunited,
but in the end, it ended up as Reunited re-arranged to sound like Once Upon a Time. I also had a bit of fun with the drums. Well, hope you like it! ^w^
The logo and thumbnail are by me.

Here’s the story that Fun wrote:

* Long ago, there was a planet with two races: HUMANS and MONSTERS.


* One day, there was a war that broke out between the two races.


* After a long battle, the humans were victorious!


* The HUMANS decided to send the entire MONSTER race into the depths of space where they were never seen again.


* Until one day…


* MT.EBOTT (Frisk’s lab), 20XX


* A human known as Frisk discovers an unknown planet known where the monsters lived.


* Frisk decided to take her spaceship to that planet to discover what secrets lie there.


* But what Frisk doesn’t know, is that there is a chance they may not come back alive…

[UT AU ~  OUTERTALE ("TEAM GALACTICAL" VER.)] A Journey Beyond the Cosmos...

The official (maybe?) Anticipation and Enemy Approaching of TG!Outertale. Again, I made it and Funside ( https://soundcloud.com/funside-59951039 ) named it.

I finished it last night, but waited until today to post it. ^w^"
I originally intended to arrange it like a song from the game, Space Harrier, but ended up with this.

[UT AU ~ TG!OUTERTALE] Anticipation + Prepare Yourself!

Official "Premonition" Track for Beta Wolf in UP. Yes, title is supposed to be a Wolf Pun, since I figure "If Sans makes Skeleton Puns, then would Beta would make Wolf Puns?" Leitmotif is "Wolf Pack Minivan" from the Storks OST.

[UT AU ~ UNDERPLEX] FURboding

Of course, this is the alt. version of FURboding, which sounds much more like Premonition. Leitmotif is, again, Wolf Pack Minivan (Except it was used for Chord Ref here).

[UT AU ~ UNDERPLEX] FURboding (Alternate Version)

I've been meaning to post this for a while now, since last month even.
I'm apparently planning my own version of Underfell. All I know is it might be much different from the common UF. Wether this should be a legit thing or not is up to you. :3

Also, it's my birthday today (June 10th). Sorry for not posting anything earlier in the day. -w-

[UT AU ~ UNDERFELL: BLUE B EDITION] These Dark Times...

Toriel's intro theme in TG!Outertale, made rather quickly last night. Has components of Fallen Down Reprise 'cause I felt that'd fit.

Cover art and new logo by me.

[UT AU ~ TG!OUTERTALE] Crashlanded

Papyrus' main theme. Made it last night. Reused the static track from Brutal Bash. Dunno what else to say. ^w^

[UT AU ~ TG!OUTERTALE] Starry Laughter

Papyrus' battle theme, which I also made last night. Had a bit of fun with it, too.

[UT AU ~ TG!OUTERTALE] Celestial Combat

* c’mon, there’s no need to feel blue. we’re just getting started.
* hope you’re ready for what’s about to come next. if not, well...
* it’s too late to back down now.

Sorry once again for the silence, I’ve been procrastinating on songs; Much to the point this is my first track in weeks.
So, Funside is making his own take on Swapfell, and this is Sans’ theme for it. Made it over the course of 2 days.
Lazy Puns is the same BPM as sans, and Bonerattling Judgement is the same BPM as Bonetrousle.

Fun!Swapfell (+ Logo and quote) by Funside ( https://soundcloud.com/funside-59951039 ), Music and Sans sprite by me.

Also, expect some more tracks from me in the future, such as:

Underplex - All 3 “Dating” songs (2 versions are planned; One for Alpha, one for Cale and Akima)
UT: Time Twisted - Snowdin (Good Future) and Hotlands (Bad Future)
TG!Outertale - A redo of “Anticipation + Prepare Yourself!” (’Cause the current one sounds rushed)
Underfell: Blue B Edition - “At Your Own Risk” (The menu theme. Will have all 7 phases + bonus 8th phase)
And a Discord??? (Possibly, just wait and see :3)

[UT AU ~  SWAPFELL (FUNSIDE'S VERSION)] lazy puns. + Bonerattling Judgement

Papyrus’ theme for Fun!Swapfell. I might’ve made it a bit too short, but I like how it turned out!
Fun!Swapfell AU and Logo by Funside ( https://soundcloud.com/funside-59951039 ), Music and Papyrus sprite by me.

Still coming soon(ish), new tracks for Underplex, UT: Time Twisted and Underfell: Blue B Edition! :D

[UT AU ~ FUN!SWAPFELL] Untrusted Skeleton

It’s finally here, after so long. The menu theme from UF:BBE that you’ve all been waiting for. This track will have 8 different phases, with the last one in a major key.
These are the first 3 phrases: Starting the Game, meeting Flowey and befriending Toriel.

Yes, this is one of those Underfell variants where the Pacifist and Genocide routes aren’t swapped.
After all, even when it’s edgy like this, Undertale is still a game “Where Nobody Has to Die,” right?


Goodness! It’s been a hot minute since I last posted, hasn’t it? Quite a few things changed from then and now:

- I finally joined Discord back in September last year, and am also a part of an AU called “Third Wave Survivors!”
- I got a new computer back in December because the old one’s harddrive was failing. The computer shop couldn’t back up all my files, so I had to remake ALL my Undertale-related stuff, including this.
And... yeah, that’s about it.

I took a few days (about 5 months really) to gather motivation to post this. It was made and rendered July 9th. (And re-rendered December 2nd!)

Sorry for the wait! ^w^

[UT AU ~ UNDERFELL: BBE] At Your Own Risk (Phases 1-3)

25 / ♂ (He/Him) / ♊ / Autistic ♾️ (And proud!)

howdy! I'm Brandon O. / Blue B! I'm probably not gonna be too active here, but that's alright!
expect mostly just Undertale AU music (Like for my AUs, Underplex and Underfell BBE) and maybe some unrelated tracks eventually. (maybe some original songs???)

Brandon O. / Blue B / B.B.

Popular tracks