Flatspace IIk — дополнения и DLC
| Flatspace IIk Music Pack 1 | 2019 |
| Flatspace IIk Music Pack 2 | 2019 |
| Flatspace II (The Official Soundtrack) | 2020 |
| Flatspace IIk Music Pack 3 | 2020 |
| Flatspace IIk Golden Age Music Pack | 2023 |
| Flatspace IIk We Robot Music Pack | 2023 |
| Flatspace IIk Music Pack 4 | 2024 |