- Original release date: 11 Nov 2020
- Apple Music: https://music.apple.com/us/album/kingdom-hearts-iii-ii-8-unchained-%CF%87-union-%CF%87-cross-original/1536667542
- Amazon Music: https://www.amazon.com/music/player/albums/B08LK57PSJ?ASIN=B08LK57PSJ
Kingdom Hearts - III, II.8, Unchained χ & Union χ [Cross] - Original Soundtrack is a soundtrack featuring songs from kingdom-hearts-3,kingdom-hearts-hd-2-8-final-chapter-prologue,kingdom-hearts-unchained-x,kingdom-hearts-union-x-cross. It was first released worldwide on November 11, 2020 digitally and on streaming platforms, however the physical version of the soundtrack was released in Japan exclusively. The soundtrack contains 161 songs over 8 discs.
Disc 1
- Chikai -KINGDOM Orchestra Instrumental Version-
- Face My Fears -KINGDOM Orchestra Instrumental Version-
- Dearly Beloved (Kingdom Hearts III Version)
- Dive into the Heart -Destati- Third Inception
- Burning Ambition
- Return of the Titans
- Mount Olympus
- Hero's Fanfare
- The Deep End -Rock Titan's Rage-
- Olympus Coliseum -The Shining Summit-
- Go for It! -Into the Clouds-
- Titanic Clash
- Sky of Wonder
- First Flight
- Engage!
- Heart of Mystery
- The Afternoon Streets -KINGDOM HEARTS III Version-
- Working Together -KINGDOM HEARTS III Version-
- Pixel Hero
- The Little Chef
- Dearly Beloved (Forest Memory)
Disc 2
- VERUM REX
- You've Got a Friend in Me -KINGDOM HEARTS III Version-
- Toy Box Jam
- Shrouding Dark Cloud -Gigas Blast-
- It's a New Record!
- The Corrupted -Monstrous Monsters-
- Sora -Orchestra of Toads-
- Tension Rising -Angelic Amber-
- Friendship's Union
- Skyward Striker
- Happy Hair Day
- Swingin' Free
- Happy Hair Day -Into the Forest Deep-
- Swingin' Free -Into the Forest Deep-
- Maximus's Matchup
- Rowdy Rumble -The Crazy Carriage-
- Say Cheese!
- Sunshine Dancer
- Lanterns in the Sky
- Tension Rising -Reaper's Revenge-
- The Lost Princess
- The Falling
- Anger Unchained
- Teardrop of the Sun
- Shipmeisters' Shanty -KINGDOM HEARTS III Version-
Disc 3
- Blast Off! -KINGDOM HEARTS III Version-
- Star Explorer
- Lock, Load, and Blast!
- Crossing the Finish Line -KINGDOM HEARTS III Version-
- Monstropolis Now
- Monster Smash!
- Zero Hour -The Chase-
- Monstropolis Now -Code 72-16-
- Monster Smash! -Code 72-16-
- Unforgettable -KINGDOM HEARTS III Version-
- Dual Hearts
- Winnie the Pooh -KINGDOM HEARTS III Version-
- Bounce-O-Rama -KINGDOM HEARTS III Version-
- Little Lovely Moments
- Go! Go! Rumble Racer -Pudding Grand Prix-
- Flantastic Fight
- Hand in Hand -Attraction Flow Version-
- Dream Eaters -Link Version-
- 8Bit Smasher -Link Version-
- Savannah Pride -Link Version-
- An Adventure in Atlantica -Link Version-
- Mákaukau? -Link Version-
- Frozen Wonderland
Disc 4
- Miracle on Ice
- Frozen Wonderland -Eternal Winter-
- Miracle on Ice -Eternal Winter-
- Let It Go (Japanese Version)
- Let It Go (From "Frozen")
- Sky High Slider
- The Coolest Contest
- Frozen Heart
- No Surrender!
- True Love
- A Pirate's Adventure
- Flags of Fury
- A Pirate's Freedom
- Winds of Fate
- Flags of Fury -Leviathan Awakened-
- Hearts of Courage
- Eye of the Storm
- The Victorious
Disc 5
- The Encounter -Metal Charge-
- AR -Augmented Rhythm-
- Robot Overdrive
- Heroes' Gathering
- Flash Tracer
- Hero Upgrade
- Data Trace Complete
- Zero Hour -The Rescue-
- Baymax Rebooted
- Aqua -Dark Dive-
- Enter the Darkness -KINGDOM HEARTS III Version-
- Guardians of Light
- The Star Fortress
- THERMOSPHERE -KINGDOM HEARTS III Version-
- Stranded Beyond
- Dive into the Heart -Destati- Third Revival
- Graveyard Labyrinth
- Rise of the Union
- Forze Del Male -Dark Riku-
Disc 6
- Organization XIII -Mark of Fate-
- Dawn of Hope
- Chains to Bonds
- Roxas's Return
- Hearts as One
- Forza Finale
- Scala ad Caelum
- Edge of Existence
- Replicas
- Critical Crossroad
- True Darkness
- Dark Domination
- Hikari -KINGDOM Tres Orchestra Instrumental Version-
- Rhapsody in Tres for Piano, Chorus and Orchestra
- Epilogue
- Secrets of the Night
Disc 7
- Cavern of Remembrance -KINGDOM HEARTS III Version-
- L'Impeto Oscuro -Young Xehanort-
- L'Eminenza Oscura I -Ansem-
- L'Oscurità dell'Ignoto -Xemnas-
- The 13th Dilemma -Xigbar-
- The 13th Dilemma -Saïx-
- The 13th Struggle -Luxord-
- Lord of the Castle -Marluxia-
- The 13th Struggle -Larxene-
- Dismiss -Terra-Xehanort-
- Vector to the Heavens -Xion-
- Forze dell'Oscurita -Xehanort-
- Key of the Brave
- Link to All -Lights of Destiny-
- Nachtflügel
Disc 8
- Dearly Beloved (Unchained χ Version)
- Before the Daylight
- Wake Up, World!
- Mission Complete!
- Dearly Beloved (Union χ Version)
- Hand in Hand -Union χ Version-
- Game Central Station
- The Candy-Filled Kingdom
- The Fastest Racer
- A Nameless Planet
- Hero's Duty Troopers
- Welcome to Niceland
- I'm Gonna Wreck It!
- Dearly Beloved (χ Back Cover Version)
- Passing the Power
- The Foretellers
- Master of Masters
- Hikari -Ray of Hope MIX-
- Simple and Clean -Ray Of Hope MIX-
- The World Within
- Forest of Thorns
- Aqua -Mirror Illusion-