Steins;Gate & Occultic;Nine soundtracks FM arrange version.
Album was composed by Takeshi Abo and was released on February 23, 2019. Soundtrack consists of 18 tracks tracks with duration over . Album was released by 5pb. Records.
CD 1
| 1 | Messenger -main theme- 68k II | | |
| 2 | BGM12(仮)68k | | |
| 3 | BGM08(仮)68k | | |
| 4 | Robotics Notes -起動！- 68k | | |
| 5 | THE OCCULTISM -MAIN THEME- arr. | | |
| 6 | GIRLS OF THE DEAD 68k | | |
| 7 | Overdrive 68k | | |
| 8 | Makukukan Stage Harry Up 68k | | |
| 9 | GATE OF STEINER PRO-68k II | | |
| 10 | GATE OF KARMA 11, MEGA-FB | | |
| 11 | Ruka I 68k | | |
| 12 | Ruka II 68k | | |
| 13 | Each and every heart arr. | | |
| 14 | Girls 68k II | | |
| 15 | PHANTOM BREAKER：BATTLE GROUNDS OVERDRIVEPV-FM | | |
| 16 | PHANTOM BREAKER：BATTLE GROUNDS OVERDRIVEPV-PSG | | |
| 17 | Occultic;Nine GAME-CM1 未使用 | | |
| 18 | Occultic;Nine GAME-CM2 | | |
