* 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

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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

* how original.
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About: This track was composed for a youtube video on the Undertale: Last Corridor channel.
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THUMBNAIL RENDER: by Ian
SONG: by KnuckleDuster
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[DO NOT USE WITHOUT PERMISSION]

Contract Negotiation + Big Reveal

what a nice trailer! i’m sure there is a completely professional tone maintained throughout
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About: This track was composed for the SINS OF THE PAST Update Trailer.
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THUMBNAIL: by Coolbic
SONG: by Box Standard
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[DO NOT USE WITHOUT PERMISSION]

SINS OF THE PAST TRAILER

* YOU KILL NOW!
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About: This track was composed for LITTLEDUST Sans.
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THUMBNAIL ART: by Seedy
SONG: by Irony
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[DO NOT USE WITHOUT PERMISSION]

[LITTLEDUST Sans] EDGELORD

*you just don’t ever stop, do you?
*like a black hole, you take and take and take, nothing ever escaping your reach.
*but, guess what?
*even black holes can die.
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About: This track was composed for OUTERSWAP PAPYRUS.
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THUMBNAIL ART: by Eg
SONG: by Booster
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[DO NOT USE WITHOUT PERMISSION]

[OUTERSWAP PAPYRUS] Upon The Stars

* The power of the sun.. in the palm of his hand.
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About: This track was composed for OUTERDUST Sans’ Core Encounter, which serves as his counterpart to OVERHEAT by Skie.
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THUMBNAIL ART: by Coolbic
SONG: by IronyVII
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[DO NOT USE WITHOUT PERMISSION]

[OUTERDUST Sans: Core Encounter] HEATDEATH

* that expression.. that’s the face of somebody who’s died fourty-seven times.
* or was it fourty-eight..? i stopped keeping track a while ago.
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About: This track was composed for MURDER SANS to better align with his reworked version, which will release with the CASINO UPDATE.
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THUMBNAIL ART: PLACEHOLDER
SONG: by Box Standard
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[DO NOT USE WITHOUT PERMISSION]

[MURDER Sans] FINAL DESTINATION

* Let the river run red; either with your blood, or his.
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About: This track was composed for DUSTFELL SANS’ Waterfall Encounter upgrade.
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THUMBNAIL ART: by Coolbic
SONG: by Box Standard
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[DO NOT USE WITHOUT PERMISSION]

[DUSTFELL Sans: WATERFALL ENCOUNTER] RIVER RUNS RED

* so let’s go, let the room get chiller..
* let’s go, dirty brother killer.
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About: This track was composed for the ‘STRONGER THAN YOU’ skin for Classic Sans. Composed due to the original song having copyright.
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THUMBNAIL ART: by Coolbic
VOCAL SAMPLE: from original video, by ‘djsmell’
SONG: by KnuckleDuster
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[DO NOT USE WITHOUT PERMISSION]

STRONGER THAN YOU — ULC MIX

* but consequences, they increase..
* you will answer to me.
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About: This track was composed for the ‘JUDGEMENT’ skin for Classic Sans. Composed due to the original song having copyright.
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THUMBNAIL ART: by Coolbic
VOCAL SAMPLE: from original video, by ‘TryHardNinja’
SONG: by KnuckleDuster
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[DO NOT USE WITHOUT PERMISSION]

JUDGEMENT — ULC MIX

* THEY SAY MY RAGE MODE IS A PROBLEM
* THEY TELL ME TO CURB MY APPETITE
* THEY SAY I CAN’T KEEP MYSELF FROM
* ONE SHOTTING EVERY PLAYER IN SIGHT.
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About: This track was composed for the ‘VANITY’ skin for Horror Sans.
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THUMBNAIL ART: by Coolbic
VOCAL SAMPLE: from ‘Butcher’s Vanity’ by Vane Lily
SONG: by KnuckleDuster
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[DO NOT USE WITHOUT PERMISSION]

[VANITY HORROR!Sans] RAVENOUS

* METAL! This is no time for games or puns! Get that SOUL, and get it NOW!
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About: This track was composed for the ‘METAL SANS’ skin for Classic Sans.
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THUMBNAIL ART: by Coolbic
SONG: by Fazzy
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[DO NOT USE WITHOUT PERMISSION]

[METAL Sans] KARMIC FUTURE

* A crimson wildfire, consuming all in it's wake. An unstoppable force of wrath. The one cursed with unbeatable power.
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About: This track was composed for the ‘SUPERFELL' mastery skin for Underfell Sans, obtained by reaching 10,000 EXP on the character.
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THUMBNAIL ART: by Coolbic
SONG: by IronyVII
VOCAL SAMPLE: ‘The Theme of Infinite' from 'Sonic Forces', by Tyler Smyth and Andy Bane
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[DO NOT USE WITHOUT PERMISSION]

[SUPERFELL] ATHEISM ULTIMUS

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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