Appears on releases
| # | Title | Length | Track artist | Release title | Country/Date | ||||
|---|---|---|---|---|---|---|---|---|---|
| Official | |||||||||
| 1.9 | 戦闘(前半) | ?:?? | 上松範康 | ケイオスリングス オリジナル・サウンドトラック |
| ||||
| 1.9 | 戦闘(前半) | 3:15 | 上松範康 | CHAOS RINGS + CHAOS RINGS Ω Original Soundtrack |
| ||||
| Pseudo-Release | |||||||||
| 1.9 | Deadly Duel | 3:17 | Noriyasu Agematsu | Chaos Rings (Original Soundtrack) | |||||