| 楽曲名 ▼ | C | バージョン | レベル | DJランク | レート | スコア | 前作比 | BP |
| OVER TIME | Rootage | 10 | AAA | 0.0 | 1960(949/62) | 0 | 0 | |
| Overslept | BISTROVER | 11 | --- | 0.0 | 0(0/0) | 0 | 0 | |
| Override | HEROIC VERSE | 11 | --- | 0.0 | 0(0/0) | 0 | 0 | |
| Override | HEROIC VERSE | 12 | AAA | 0.0 | 4086(1921/244) | 126 | 15 | |
| Overload Frontier | SPADA | 8 | --- | 0.0 | 0(0/0) | 0 | 0 | |
| Overload Frontier | SPADA | 11 | --- | 0.0 | 0(0/0) | -2433 | 0 | |
| out of disk space | EPOLIS | 11 | AAA | 0.0 | 2453(1160/133) | 0 | 5 | |
| Out of Control | EPOLIS | 12 | --- | 0.0 | 0(0/0) | -2872 | 0 | |
| outer wall | 5th style | 8 | --- | 0.0 | 0(0/0) | 0 | 0 | |
| OUTER PLANETS | HEROIC VERSE | 10 | --- | 0.0 | 0(0/0) | -2062 | 0 | |
| Outbreak | copula | 6 | --- | 0.0 | 0(0/0) | 0 | 0 | |
| Outbreak | copula | 11 | --- | 0.0 | 0(0/0) | -2887 | 0 | |
| Ou Legends | RESIDENT | 12 | --- | 0.0 | 0(0/0) | -3054 | 0 | |
| OTOKOZAKA | BISTROVER | 11 | AAA | 0.0 | 2765(1296/173) | 40 | 1 | |
| OTENAMI Hurricane | SINOBUZ | 10 | --- | 0.0 | 0(0/0) | 0 | 0 | |
| OTENAMI Hurricane | SINOBUZ | 12 | --- | 0.0 | 0(0/0) | -2926 | 0 | |
| 《ORDERBREAKER》 | RESIDENT | 11 | --- | 0.0 | 0(0/0) | -2371 | 0 | |
| ORCA | HEROIC VERSE | 12 | AAA | 0.0 | 3278(1514/250) | 83 | 11 | |
| oratio | DJ TROOPERS | 12 | AAA | 93.0 | 2777(1296/185) | -40 | 6 | |
| op.31 叙情 | GOLD | 4 | --- | 0.0 | 0(0/0) | 0 | 0 | |
| op.31 叙情 | GOLD | 9 | --- | 0.0 | 0(0/0) | 0 | 0 | |
| op.31 叙情 | GOLD | 10 | --- | 0.0 | 0(0/0) | -1388 | 0 | |
| OOO | SINOBUZ | 10 | AAA | 96.5 | 1997(964/69) | -6 | 0 | |
| OOO | SINOBUZ | 11 | AAA | 0.0 | 2545(1218/109) | 0 | 2 | |
| Onyx | CastHour | 11 | AAA | 0.0 | 2325(1128/69) | 20 | 4 | |
| On the FM | copula | 11 | --- | 0.0 | 0(0/0) | 0 | 0 | |
| Only for now | CANNON BALLERS | 10 | AAA | 95.8 | 2182(1054/74) | -1 | 0 | |
| ONIGOROSHI | Rootage | 12 | --- | 0.0 | 0(0/0) | -2764 | 0 | |
| one or eight | 9th style | 10 | --- | 0.0 | 0(0/0) | 0 | 0 | |
| one or eight | 9th style | 12 | AA | 88.3 | 2079(926/227) | 24 | 17 | |
| One More Lovely | 10th style | 5 | --- | 0.0 | 0(0/0) | 0 | 0 | |
| One More Lovely | 10th style | 9 | --- | 0.0 | 0(0/0) | 0 | 0 | |
| One More Lovely | 10th style | 12 | AAA | 91.6 | 2661(1233/195) | 5 | 8 | |
| One for All | CastHour | 12 | --- | 0.0 | 0(0/0) | -2945 | 0 | |
| ONE AND ONLY | RESIDENT | 12 | --- | 0.0 | 0(0/0) | -2956 | 0 | |
| OMEGA | Sparkle Shower | 12 | AAA | 0.0 | 3164(1446/272) | 0 | 16 | |
| of the first magnitude | BISTROVER | 11 | AAA | 0.0 | 2784(1301/182) | -26 | 7 | |
| Odin | SPADA | 7 | --- | 0.0 | 0(0/0) | 0 | 0 | |
| Odin | SPADA | 10 | --- | 0.0 | 0(0/0) | 0 | 0 | |
| O/D*20 | CANNON BALLERS | 10 | AAA | 95.7 | 2051(986/79) | -5 | 2 | |
| O/D*20 | CANNON BALLERS | 12 | AAA | 0.0 | 3565(1628/309) | 19 | 16 | |
| Ocean Blue feat. Luschel | BISTROVER | 10 | AAA | 0.0 | 2404(1161/82) | 13 | 1 | |
| NΦ CRIME | EMPRESS | 9 | AAA | 94.6 | 1801(857/87) | 43 | 1 | |
| NΦ CRIME | EMPRESS | 10 | --- | 0.0 | 0(0/0) | 0 | 0 | |
| NZM | copula | 12 | AAA | 91.7 | 3272(1511/250) | 52 | 11 | |
| Nyan Nyan University | Sparkle Shower | 10 | AAA | 0.0 | 2443(1155/133) | 0 | 1 | |
| NPC World | SPADA | 5 | --- | 0.0 | 0(0/0) | 0 | 0 | |
| NPC World | SPADA | 10 | --- | 0.0 | 0(0/0) | -2148 | 0 | |
| n'pa pa BBQ | CANNON BALLERS | 11 | --- | 0.0 | 0(0/0) | -2636 | 0 | |
| Nowhere | copula | 10 | AAA | 95.7 | 2106(1013/80) | 2106 | 6 |