Track by @sirserket
Original by WeabooOmega

Serket - Spongeswap - BIBULUS (Cover)

Mars'Swap - Ghost Fight

All the archived tracks from Legacy Glacial Asperity.

Credit to all of the following musicians:
- Yaz
- Lynx
- ZarerX
- Lights

Bitter Hostility - Chapter 3 Phase 1 Theme

* alright.
* this here’s the old factory.
* once the center of industrialization for monsterkind…
* before folks started clamoring for more space.
* it rains a lot in this part of the underground…
* so parts of the area may be submerged underwater.
* but don’t let that sink your spirits.
* just be careful and stay close, ok kid?

* The sound of rain outside intermingles with the machinery…
* It fills your spirit with CONFIDENCE.
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Leitmotif(s):
- Patient (Melody A)
- ASGORE
- Determination
- Patient (Melody B)
- Patient (Melody C)
- Heartache
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Ruins swaps aesthetics with CORE and seasons with Waterfall, and is now called the Old Factory. It's the run-down industrial center of Skelmurr City, named after the skeleton royal family and Dreemurr family’s union to help monsterkind in their darkest hour. It was the first settlement of monsters before they travelled further into the underground. Since run-off water always pours into the area, the area is now often referred to as the “Flooded City”. In the factory, there’s run-down gears and mechanisms, some of which serve as parts of puzzles for our fallen human to solve! But there’s always the risk presented by watery traps and runs-ins with local monsters roaming around the factory...

Song by: @bence1114

Thumbnail by: @bence1114
swapshift logo by: @bence1114

UNDERTALE(tm) belongs to Toby Fox
Underswap belongs to the community
Temmie's underswap belongs to @moonstrikefour/“Temmie Chang”
Swapshift belongs to Brenny114

Undertale © Toby Fox

swapshift - It's Raining Outside this Factory (OST 5) (OUTDATED)

drink a lemonade megalo

*Just another maggot beneath our paw.

A fan-made MEGALOVANIA for the au Smorgasbord, by none other than https://soundcloud.com/myttin !!! Give it a looksie!

Hope ya like it Myttin! :]

[UndertaleAU - Smorgasbord] SMORGASBORDLOVANIA (FANMADE)

* You.
* If it isn't monsterkind's greatest enemy...
* A HUMAN!
* Your kind is not welcome here.
* Everyone in the underground knows this.
* So don't expect everyone to treat you so nicely.
* And don't try to pull the old goody-too-shoes schtick!
* It won't work on me.
* Prepare yourself...
* For in the name of the underground...
* I, UNDYNE, will strike you down!
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Leitmotif(s):
- Undyne
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Undyne takes the role of Napstablook. She is a well-known member of the underground’s Royal Guard, but she is not the captain here. Instead, she's second-in-command of the Royal Guard as its general. She patrols the underground’s Flooded City for any fallen humans who wind up in the underground, and if she sees one, she won’t hesitate to attack them and claim their SOUL. Be on your guard!

This AU has two “Predummy” replacements; this first replacement is an overworld theme for Undyne, and the second is for… someone else. Also, as the title implies, Undyne waits in a secret spot for the human to arrive before ambushing them.

Song by: @bence1114
Thumbnail by: @bence1114 
Undyne sprite by: @bence1114 (design partially inspired by @oats-from-hell's concept)
swapshift logo by: @bence1114 

UNDERTALE(tm) belongs to Toby Fox
 Underswap belongs to the community
 temmie's underswap belongs to @moonstrikefour/"Temmie Chang" 
Swapshift belongs to Brenny114
Undertale © Toby Fox

swapshift - Ambush! (OST 10)

UnderSwap STRIKING The Demon DOWN (Cover)

there were changes made to the au so this replaces amalgam, this song makes no sense without au context but i don't wanna give any of the au lore away as of rn. just know that every motif used is here bcus it in some way correlates to one of the amalgamate replacements.
thumbnail by @markiplier.

tales from the elevator ~ encrypted [non-canon]

*(The battle field is set.)
*(You are filled with determination.)

--

UNDERTALE by Toby Fox

UNDERTALE: Re-Determined - 09 Enemy Approaching

An unused song for HD since it got cancelled!!
Hope y'all like it! :]

[HOLLOW DETERMINATION] Unused OST: Papyrus and Undyne battle

*(The knowledge that this is a sans undertale: barricaded rip-off fills you with...)
 *(Determination...?)

YouTube:
https://www.youtube.com/channel/UC59uLbYTT0yiT7rgxNIh5DQ