Not This Day! Original Score
| Composed by | Niko |
| Published by | Kevin Rhodes |
| Release type | Film Score - Official Release |
| Format | 1 Digital - 14 tracks |
| Release date | August 26, 2014 |
| Duration | 01:16:43 |
| Genres |
| 1 | PrologueNiko | 03:44 |  |
| 2 | This Is Our WorldNiko | 05:03 | |
| 3 | Nothing Can Be DoneNiko | 04:30 | |
| 4 | Meet the AssassinsNiko | 04:46 | |
| 5 | Meet the Ragged PeopleNiko | 06:25 | |
| 6 | Fly AwayNiko | 05:44 | |
| 7 | The Assassins Attack (Dies Irae)Niko | 04:01 | |
| 8 | Keening / RisingNiko | 04:42 | |
| 9 | Lament (Requiem)Niko | 06:21 | |
| 10 | Cannot Stay DownNiko | 04:40 | |
| 11 | BreakoutNiko | 06:14 | |
| 12 | Not This Day! (Dance Theme)Niko | 05:43 | |
| 13 | DescentNiko | 05:58 | |
| 14 | AscentNiko | 08:52 | |
