| 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 |
| Castle on the Moon | Lincle | 11 | --- | 0.0 | 0(0/0) | -2254 | 0 | |
| Catch Me | HAPPY SKY | 10 | --- | 0.0 | 0(0/0) | -1671 | 0 | |
| Catch Me | HAPPY SKY | 11 | AAA | 0.0 | 1990(920/150) | 0 | 10 | |
| Catch Our Fire! | Rootage | 10 | --- | 0.0 | 0(0/0) | 0 | 0 | |
| Catch Our Fire! | Rootage | 12 | --- | 0.0 | 0(0/0) | 0 | 0 | |
| Catch ya Getcha! | Sparkle Shower | 11 | AAA | 0.0 | 2696(1237/222) | 0 | 1 | |
| Caterpillar | SINOBUZ | 10 | --- | 0.0 | 0(0/0) | 0 | 0 | |
| Caterpillar | SINOBUZ | 12 | --- | 0.0 | 0(0/0) | -2023 | 0 | |
| C-C-C-N-N-N | RESIDENT | 11 | --- | 0.0 | 0(0/0) | -2678 | 0 | |
| CELEBRATE NITE | 8th style | 8 | --- | 0.0 | 0(0/0) | 0 | 0 | |
| Central Station | copula | 10 | --- | 0.0 | 0(0/0) | -2273 | 0 | |
| Chain of pain | PENDUAL | 10 | --- | 0.0 | 0(0/0) | 0 | 0 | |
| Change the World | Lincle | 9 | --- | 0.0 | 0(0/0) | 0 | 0 | |
| Change Yourself | HEROIC VERSE | 11 | --- | 0.0 | 0(0/0) | 0 | 0 | |
| chaos eater -IIDX edition- | copula | 11 | AAA | 94.8 | 2518(1202/114) | 2518 | 7 | |
| CHAOTIC SUNBIRD | Pinky Crush | 11 | --- | 0.0 | 0(0/0) | -3156 | 0 | |
| Chaotoxin | RESIDENT | 12 | --- | 0.0 | 0(0/0) | -3077 | 0 | |
| chaplet -IIDX re:build- | Sparkle Shower | 12 | AAA | 0.0 | 2757(1282/193) | 0 | 2 | |
| ChaserXX | CANNON BALLERS | 11 | --- | 0.0 | 0(0/0) | 0 | 0 | |
| ChaserXX | CANNON BALLERS | 12 | AAA | 0.0 | 3599(1643/313) | 131 | 10 | |
| Chasing After YOU ～夢の欠片～ ft. 小林マナ | Pinky Crush | 10 | --- | 0.0 | 0(0/0) | -2018 | 0 | |
| CHECKING YOU OUT | 4th style | 9 | --- | 0.0 | 0(0/0) | 0 | 0 | |
| CHECKING YOU OUT | 4th style | 11 | --- | 0.0 | 0(0/0) | 0 | 0 | |
| Cheer Train | 7th style | 9 | --- | 0.0 | 0(0/0) | 0 | 0 | |
| Chemical Colours | EPOLIS | 11 | --- | 0.0 | 0(0/0) | 0 | 0 | |
| Chemical Cookie | CANNON BALLERS | 10 | --- | 0.0 | 0(0/0) | 0 | 0 | |
| Chewingood!!! | BISTROVER | 10 | --- | 0.0 | 0(0/0) | 0 | 0 | |
| chrono diver -fragment- | PENDUAL | 3 | --- | 0.0 | 0(0/0) | 0 | 0 | |
| chrono diver -fragment- | PENDUAL | 6 | --- | 0.0 | 0(0/0) | 0 | 0 | |
| chrono diver -fragment- | PENDUAL | 9 | --- | 0.0 | 0(0/0) | 0 | 0 | |
| chrono diver -fragment- | PENDUAL | 10 | --- | 0.0 | 0(0/0) | 0 | 0 | |
| CHRONO DIVER -NORNIR- | PENDUAL | 9 | --- | 0.0 | 0(0/0) | 0 | 0 | |
| CHRONO DIVER -NORNIR- | PENDUAL | 11 | --- | 0.0 | 0(0/0) | 0 | 0 | |
| CHRONO DIVER -NORNIR- | PENDUAL | 12 | AAA | 93.7 | 4185(1977/231) | 27 | 13 | |
| Chrono Diver -PENDULUMs- | PENDUAL | 11 | --- | 0.0 | 0(0/0) | -2603 | 0 | |
| Chrono Diver -PENDULUMs- | PENDUAL | 12 | AAA | 89.6 | 3986(1820/346) | -78 | 13 | |
| Chronos | PENDUAL | 11 | --- | 0.0 | 0(0/0) | 0 | 0 | |
| Chronos | PENDUAL | 11 | --- | 0.0 | 0(0/0) | 0 | 0 | |
| cinder | PENDUAL | 12 | --- | 0.0 | 0(0/0) | -2979 | 0 | |
| City Never Sleeps (IIDX Edition) | CANNON BALLERS | 11 | --- | 0.0 | 0(0/0) | 0 | 0 | |
| Claiomh Solais | SPADA | 9 | --- | 0.0 | 0(0/0) | 0 | 0 | |
| Cleopatrysm | SPADA | 11 | --- | 0.0 | 0(0/0) | 0 | 0 | |
| Click Again | IIDX RED | 11 | --- | 0.0 | 0(0/0) | 0 | 0 | |
| Clione | 4th style | 5 | --- | 0.0 | 0(0/0) | 0 | 0 | |
| Clione | 4th style | 9 | --- | 0.0 | 0(0/0) | 0 | 0 | |
| Clione | 4th style | 11 | --- | 0.0 | 0(0/0) | 0 | 0 | |
| Close my Eyes for Me | IIDX RED | 8 | --- | 0.0 | 0(0/0) | 0 | 0 | |
| Close my Eyes for Me | IIDX RED | 9 | --- | 0.0 | 0(0/0) | 0 | 0 | |
| Close the World feat.a☆ru | SPADA | 10 | --- | 0.0 | 0(0/0) | 0 | 0 | |
| Close the World feat.a☆ru | SPADA | 12 | --- | 0.0 | 0(0/0) | 0 | 0 |