* The empty abyss creeps at your soul.
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About: This track was composed for OUTERDUST Sans’ RUINS Encounter, as a replacement for “Now or Never” by Skie.
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THUMBNAIL ART: by Eg
SONG: by @knuckl_duster
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[DO NOT USE WITHOUT PERMISSION]

[OUTERDUST Sans: RUINS Encounter] FEELING OF DESPAIR

* YOU SHOULD KILL YOURSELF... NOW!
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About: This track was composed for LOWTIERFELL Sans.
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THUMBNAIL ART: by @knuckl_duster
SONG: by @knuckl_duster
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[DO NOT USE WITHOUT PERMISSION]

[LOWTIERFELL Sans] …NOW! [II]

* it’s kill or be killed.
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About: This track is the SCRAPPED and UNUSED version of Underfell Sans’ song, ATHEISM. Continues both phase versions.
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THUMBNAIL ART: by Eg
MODEL: by Common
POSING, RENDER: by RXQ
SONG: by Irony
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[DO NOT USE WITHOUT PERMISSION]

{OUTDATED SONG} [Underfell Sans] ATHEISM 1+2 (V1)

* There’s nowhere for either of you to run.
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About: This track is for FELLDUST Sans’ RUINS encounter, and is a song replacement for his old theme. Contributed by UTF due to the old theme being unusable.

Editor’s Note: THIS SONG IS OUTDATED
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THUMBNAIL ART: by Eg
SONG: by UTF 
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[DO NOT USE WITHOUT PERMISSION]

{OUTDATED SONG} DEAD AHEAD

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About: This track is for
This track is for
This track is for
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SONG: by UTF 
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[DO NOT USE WITHOUT PERMISSION]

[???] Ambience

* The title means “Don’t Worry Human This Song Plays Against Papyrus”.
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About: This track is for the PACIFIST UNDERSWAP PAPYRUS skin’s music in-game.
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THUMBNAIL ART: by Eg and Brilage
SONG: by @floworsmth
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[DO NOT USE WITHOUT PERMISSION]

[UNDERSWAP: Pacifist Papyrus] DWHTSPAP*

* well, it seems that i have another shot at you
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About: This track was composed for UNDERTALE: LAST BREATH Sans' intermission between the first and second phases, also known as “Phase 1.5”. It is a re-cover of the original song from the game.
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SONG: by @knuckl_duster
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[DO NOT USE WITHOUT PERMISSION]

[UNDERTALE: LAST BREATH Sans - 1.5/3] BUT HE REFUSED TO GIVE UP

* He has lost his mind.
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About: This track was composed for OUTERDUST Sans’ STARDIN Encounter, as a replacement for “Icicle Ignition” by flow.
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THUMBNAIL ART: by Brilage
SONG: by @knuckl_duster
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[DO NOT USE WITHOUT PERMISSION]

[OUTERDUST Sans: STARDIN Encounter] NADIR

* There’s nowhere for either of you to run.
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About: This track is for FELLDUST Sans’ RUINS encounter, and is a song replacement for his old theme. Contributed by UTF due to the old theme being unusable.
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THUMBNAIL ART: by Eg
SONG: by UTF
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[DO NOT USE WITHOUT PERMISSION]

[FELLDUST Sans: RUINS Encounter] DEAD AHEAD II

* Papyrus laughs menacingly as he imagines bragging about your defeat.
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About: This track is for UNDERFELL Papyrus, who is not in-game yet but will serve as a skin for Papyrus (Undertale).
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THUMBNAIL ART: by Eg
SONG: by @samor-dream
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[DO NOT USE WITHOUT PERMISSION]

[UNDERFELL Papyrus] PETULANCE

* THE BLUETOOTH DEVICE IS READY TO PAIR.
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About: This track is for MR. FUN, who is not MR. FUN yet but will serve as a skin for MR. FUN.
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THUMBNAIL ART: by Eg
SONG: by @knuckl_duster
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[DO NOT USE WITHOUT PERMISSION]

[MR. FUN] UNREGISTERED HYPERCAM 2

* RAAAAAAAHHHHHHHHHHHHHHH
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About: This track is for BASKETBALL INSANITY SANS, who will serve as a skin for INSANITY SANS ingame.
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THUMBNAIL ART: by BRILAGE
SONG: by UTF
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[DO NOT USE WITHOUT PERMISSION]

INSANITY (Space Jam Mix)

* The lake freezes over, as death approaches.
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About: This track was composed for OUTERDUST Sans’ FROZEN FALLS Encounter, as a replacement for “TURNING THE TIDE II” by Box Standard.
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THUMBNAIL ART: by Eg
SONG: by Skie
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[DO NOT USE WITHOUT PERMISSION]

[OUTERDUST Sans: FROZEN FALLS Encounter] STRIFE ON THE STYX

“Is this how you get your sick kicks?” 
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About: This track was composed for the upgraded version of “Clown Sans”, and commissioned because one of the developers thought it was funny. It acts as a replacement to “joking aside [II]”.
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THUMBNAIL ART: by Eg
SONG: by HyperTheGlitch
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[DO NOT USE WITHOUT PERMISSION]

[CLOWN Sans - UPGRADED] CLOWNING AROUND

* i remember once thinking that we could’ve been friends..
* ..if only that were still true.
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About: This track was composed for AFTERSWAP Papyrus, a AFTERTALE Sans skin.
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THUMBNAIL ART: by Eg
SONG: by KnuckleDuster
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[DO NOT USE WITHOUT PERMISSION]

[AFTERSWAP Papyrus] WHEN SMILES WERE GENUINE

The official soundcloud account for Undertale: Last Corridor extra/non-main tracks, such as smaller OSTs, original tracks made for character skins, or old songs that are unused..
Account ran by Joey, owner of the game.

UNDERTALE: Last Corridor (EXTRAS)

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