ChaosStory

Sonic Valiance

(Disclaimer: This playlist may contain some LOUD and SCARY au themes of the ruins theme from Undertale that is maybe not suitable for people under 18+. Please make sure to moderating your loved ones and be careful, thank you!)

A collection of every existing Undertale au interpretations of the Ruins I can find on Soundcloud. I'll keep updating this playlist with newer au themes and songs maybe each week if possible.

Art by Cocoa Ando: https://x.com/nyusu_UT

An Ruins Undertale AU Compilation Mix 2025

Sonic

Sonic Adventure: Grounded - Official Soundtrack

Sonic adventure grounded soundtrack

Opening Digimon Xros Wars (The Young Hunters Who Leapt Through Time) (Season 3)

Digimon Xros Wars (The Young Hunters Who Leapt Through Time) (Season 3)

The catacombs of the South Island are kept alit by ancient torches and the faint glow of the lava, but the Emerald shining in their soul spurs them onward...

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A re-instrumented version of the old Marble Ruins track.

[Sonic Adventure: Grounded] Lava-Brushed Labyrinth ...for Marble Ruins

FNF Entity Menu Theme

open-your-heart Sonic Adventure

I'm not sure if this one's as effective as the original, but I had a lot of fun composing it, gave me a chance to try out new stuff.

005 - Ruins

Sonic And The Black Knight Music - Fight The Knight

* (You feel as though something is missing.)
* (Something, or someone.)
* (Despite this, the shadow of the ruins looming above fills you with determination.)
* (HP fully restored.)
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Ruins Area Theme, Normal
Track: nobyjr1
Image: GoldenFlowers 



[sans has no new posts.]
* (Perhaps still asleep.)
* (Or just woke up.)
* (You can expect someone to go on their phone just as they wake up, after all.)

003 - Ruins

A short little thing we're using for Misadventures, sung by https://soundcloud.com/zachary-frazier and helped by https://soundcloud.com/joshua-taipale!

SEGAAAAAA!!!!

Sonic Adventure 2 - Escape From The City

EDIT: I guess you could call this the 100 followers special, heh.

Here's yet another SA: Grounded piece. The leitmotif here should be a simple one to spot.

Oh, also, new name. Sonic Adventure: Grounded.

[SA: Grounded] Time to Party! (Start Menu - All Parts)

[SA:G] Once Upon a Time (Second Edition)

The adventure of a lifetime begins.

Thumbnail by @mildred-f

[Sonic Adventure: Grounded] 001 - End of an Era

UNDERTALE - Once Upon A Time Soft Piano Arrangement

Dearly Beloved - Kingdom Hearts Union X[Cross] Version - EXTENDED

The helpful Chao robot you first meet in the caverns of South Island.

[Sonic Adventure: Grounded] 003 - The Helpful Omochao!

Frisk's theme.

Based on the little-known track "Chaos Jam".

[Sonic Adventure: Grounded] Determined to Remain (Theme of Frisk)

Sonic Colours - Reach For The Stars (Full Version)

Dive into the Heart [Destati]

Step it up! Outrun everything that seeks to do you harm!

(Based on "Quick! Escape!" from SegaSonic the Hedgehog.)

[Sonic Adventure: Grounded] ??? - Hurry Up!

Yeah, enough said, really.

https://gamejolt.com/games/sag-act0/369196
If you can't be arsed checking out the gamejolt, latest update is the boss act completed scripting wise (need fine tuning and adding background stuff), Act 1 is 80%-ish done, and then I can start on Act 2.

[SA:G] Gamejolt Page for Act 0

[Sonic Adventure: Grounded ~ Act 0] Waitin' Room... For Menu

Undertale Official Soundtrack - Full Game

Play the game here!: https://undertale.com/

UNDERTALE Soundtrack

Ruins

[Sonic Adventure: Grounded] Act Clear!

"Surely, this must be your real name!"
"...Or is it? Are you sure?"

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Make sure to support the composer of this track! @colinator27
Special thanks to @robinblend for the "Once Upon A Swap" motif!

TS!UNDERSWAP Soundtrack

TS!UNDERSWAP Soundtrack - 002 - Starting Anew

“Long ago, two races ruled over the peaceful Earth: HUMANS and MONSTERS.”

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Make sure to support the composers of this track! @grassinio @paledoptera @trezzyisstillhere969
Special thanks to @robinblend for the original "Once Upon A Swap" motif!

TS!UNDERSWAP Soundtrack - 001 - Our History

CREDITS:
Full song by: @dashingtoadie-the-sequel
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[* this is the ruins replacement of my au.]

* The shadow of the ruins looms above, filling you with determination.

[* credits to chara for writing their dialogue.]

005 - ruins.

"Chara! Stay determined!"

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Make sure to support the composers of this track! @turkeyblaster @emihead
Special thanks to @robinblend for the original "Resolution" motif!

[Sonic Adventure: Grounded] Lava-Brushed Labyrinth ...for Marble Ruins

Juddy [CyclonicCircuit]