Undertale 2: Shadows of Time/Soundtrack

This is the total list of songs in Undertale 2: Shadows of Time. Some songs are totally original, while others are recreated versions of already-existing and/or cut songs from the original Undertale. Occasionally, some songs may play either slowed down or sped up in certain scenes.
(*) = New leitmotif
==Main/Pacifist Route==
Song number	Name 	Leitmotif{s}/Origin
001 	Lost Through Time 	Timeless (*)
002 	Adventure Log 	Timeless (*)
003 	Safe Haven 	Frisk (*)
004 	Monsters' Utopia 	POHAM (*)
005 	The Presentation 	Presentation (*)
006 	Twilight 	"Gaster's Theme (Unused)" by Toby Fox
007 	Grandpa Semi 	Semi (*)
008 	The Lab 	Lab (*)
009 	Peace and Quiet 	POHAM (*)
010 	Chara 	Original song by Toby Fox (Plays at the end of a Genocide Run in the original Undertale)
011 	Grillby's 	Grillby (*)
012 	Mambo de Shopping 	Mambo (*)
013 	Ancient Gateway 	Gateway (*), Old Home (*)
014 	Let's Go! Time Travel 	Timeless (*)
015 	Memories of Our Dynasty 	Old Home (*)
016 	Curious Amphibians 	Amphibians (*)
017 	Drawing Near 	Monsters (*)
018 	Victory 	Victory (*)
019 	Get Back Up (Game Over) 	Frisk (*)
020 	Corruption Beware 	Darkness (*)
021 	Memories of Our Dynasty (Corrupted)	Old Home (*) slowed down 50% and in minor chord
022 	Facing a Gorrupter 	Gorrupter (*)
023 	Boss Approaching 	Boss (*)
024 	A Frog's Symphony 	Froggins (*)
025 	Your Theme (Theme of Frisk) 	Original song by Dorked (Inverted Fate)
026 	Shard Collected! 	Timeless (*)
027 	Flashback 	Gaster (*)
028 	Secret Vault 	Vault (*)
029 	To The Rescue 	Rescue (*)
030 	Frosted Gateway 	Gateway (*), Snowy
031 	Snowdin Outskirts 	"Snowfall" by Master Sword (Undertale Yellow)
032 	Jolly Ol' Enterry 	Enterry (*)
033 	Devious Trap 	Blizo (*)
034 	Snowdin Outskirts (Corrupted) 	"Snowfall" by Master Sword (Undertale Yellow) slowed down 50% and in minor chord
035 	Carnival of Snow 	Carnival (*)
036 	Endless Blizzard 	Blizo (*)
037 	Snowpal 	Blizo (*)
038 	Miry Gateway 	Gateway (*), Marshside (*)
039 	Treacherous Wetlands 	Marshside (*)
040 	Cornered! 	Guards (*)
041 	Guitarist of the Sea 	Troutson (*)
042 	Aquamire Prison 	Aquamire (*)
043 	Executing the Duel 	Aquamire (*)
044 	Escape! 	Guards (*)
045 	Concern 	Troutson (*)
046 	Fluctuating Tunes 	Splashcity (*) distorted
047 	Concerto of Chaos 	Concerto (*)
048 	Whalgus 	Whalgus (*)
==Upcoming==
Name 	Origin
Legend of a Falling Star 	"Star (Unused)" by Toby Fox
Begin the Dog Challenge 	"Dance of Dog" by Toby Fox
Mt. Ebott 	"Undertale (Unused Ver. 1)" by Toby Fox
Disbelief / Interstellar Retribution 	Original song by DBYOD and KOMISSAR; based on "Disbelief Phase 1" version by FlamesAtGames
Megalo Strikes Back (Chara's Phase 1 battle theme)	Original song by Toby Fox
Waters of Megalovania 	Original song by BotanicSage
Dark, Darker, Yet Darker 	Original song by The Great Anansi
More to come.