Альбом был написан Andrew Allanson / Томохиса Курамицу / Calum Bowen / Хироки Кикута / Jose Alfaro / Ken "coda" Snyder / Michael Kelly (garoadmusic) / Mika Maruyama / Paul Weinstein / Steve Lakawicz / Тоби Фокс и вышел 26 ноября 2015 года. На саундтрек попало 87 композиций общей длительностью более 3-х часов. Подборка является компиляцией оригинальной музыки. Выпуском пластинки занимался лейбл AckkStudios.
CD 1
| 1 | YIIK Title Screen (Final) | 02:45 | |
| 2 | Name Your Friends! | 02:00 | |
| 3 | Frankton | 01:51 | |
| 4 | Chasing the Cat "Dali" | 01:14 | |
| 5 | Overworld Chapter I | 01:47 | |
| 6 | HipsterBound Battle | 02:06 | |
| 7 | Creepy Evening | 01:32 | |
| 8 | Factory Hotel | 02:20 | |
| 9 | Sammy Pak's Theme | 02:05 | |
| 10 | Conversation Material | 00:47 | |
| 11 | Reflection | 02:20 | |
| 12 | ONISM1999 | 01:40 | |
| 13 | Panda's Theme | 01:39 | |
| 14 | Break Away "Michael's Theme" | 04:30 | |
| 15 | Years to Come | 03:46 | |
| 16 | Alex Eagleston | 02:36 | |
| 17 | The Godly Entity Appears (Cut Content) | 02:42 | |
| 18 | Battle Against Vella Wilde | 03:20 | |
| 19 | The Interdimensional Girl: Vella Wilde | 04:31 | |
| 20 | Frankton Arcade | 00:54 | |
| 21 | The Boy Named Krow | 01:15 | |
| 22 | YIIK: The Mind Dungeon Theme (Baiyon Remix) | 07:51 | |
| 23 | South Town | 01:22 | |
| 24 | Wind Town, The Home of Rory Mancer | 02:41 | |
| 25 | Thinking of You, Whenever You Are | 05:48 | |
| 26 | Inside the Wind Town Sewer | 01:04 | |
| 27 | Carry On | 01:06 | |
| 28 | Minor Conversation | 01:27 | |
| 29 | Wind Town Drunkard Battle | 03:26 | |
| 30 | Everyone Hates You | 05:14 | |
| 31 | The Machine and the Crow | 02:15 | |
| 32 | Exploring the Wilderness | 02:32 | |
| 33 | Monster Den Theme | 01:33 | |
| 34 | Getting to Know My Friends | 03:20 | |
| 35 | Flag Town | 02:01 | |
| 36 | MT.Town Theme | 01:01 | |
| 37 | MT.Town Cave | 02:28 | |
| 38 | Vella Wilde Groove | 02:33 | |
| 39 | A Distant Voice/Chance Traveler | 03:05 | |
| 40 | Shop Theme | 01:21 | |
| 41 | Hunting Mall Rats | 01:12 | |
| 42 | The Essentia 2000 for Orchestra | 03:08 | |
| 43 | Inside the Mind of ???? | 03:00 | |
| 44 | Battle with Uzu | 02:41 | |
| 45 | Further Away | 05:58 | |
| 46 | Disco Battle | 01:10 | |
| 47 | Into the Mind | 01:58 | |
| 48 | Krow Battle Theme | 03:16 | |
| 49 | 68 Battle | 01:41 | |
| 50 | Hard Rock Battle | 01:31 | |
| 51 | Essentia Vocalise | 05:24 | |
| 52 | Chapter IV Overworld | 03:24 | |
| 53 | Bus Stop | 02:00 | |
| 54 | The Librarian | 01:31 | |
| 55 | My Friend's Funeral | 02:48 | |
| 56 | It's All Over (cut) | 02:57 | |
| 57 | The End is Coming/Where Did You Go? | 03:50 | |
| 58 | Forest Meadow | 01:48 | |
| 59 | The Lonely Panda and the Stuffed Crow | 01:45 | |
| 60 | Little Eyes | 05:16 | |
| 61 | Puzzle Pieces | 04:13 | |
| 62 | The Lone Star Children | 01:35 | |
| 63 | Asking for Help | 02:26 | |
| 64 | Inside the Proto Star | 01:36 | |
| 65 | A Final Clash | 02:03 | |
| 66 | Fighting the Fat One | 01:56 | |
| 67 | The Twisted Beings | 03:02 | |
| 68 | Cut Battle Track | 01:38 | |
| 69 | Cut Boss Theme | 02:33 | |
| 70 | Wah-Wah Battle | 01:00 | |
| 71 | Ska Battle | 00:56 | |
| 72 | Trance Battle | 00:51 | |
| 73 | Michael K.'s Nightmare | 00:53 | |
| 74 | Syncopated Battle | 01:08 | |
| 75 | Chondra's Lullaby (cut content) | 01:24 | |
| 76 | The Division Ends | 04:29 | |
| 77 | Pushing Through | 02:20 | |
| 78 | Little Eyes Battle! | 02:10 | |
| 79 | KNN | 01:02 | |
| 80 | Alex in Flames | 01:48 | |
| 81 | Synth Battle | 02:08 | |
| 82 | Battle, This Time With Rhythm | 02:58 | |
| 83 | Organ Battle | 02:09 | |
| 84 | Spooky Conversation | 00:53 | |
| 85 | Slow Conversation | 01:31 | |
| 86 | Sad Conversation | 02:14 | |
| 87 | Title Screen (Original) | 02:14 | |