25 players
| Name | Demos | Length |
|---|---|---|
| InTraining | 2 | 5:14 |
| Intuition?! | 1 | 0:27 |
| Inuk | 84 | 1:43:56 |
| Istvan Pataki | 169 | 13:32:31 |
| Itami boi | 1 | 0:37 |
| Izeret | 13 | 43:30 |
| j0Y | 2 | 0:48 |
| J4C | 111 | 29:43:40 |
| j4rio | 1170 | 235:50:32 |
| JabronySlayer | 2 | 0:47 |
| JackDBS | 286 | 23:47:19 |
| Jakub Machata | 198 | 8:03:49 |
| Jakub Mahdal | 8 | 9:40 |
| Jakub Majewski | 15 | 4:15:19 |
| Jakub Olšák | 3 | 1:04 |
| Jakub Puk | 22 | 2:10:40 |
| JamBawa | 3 | 13:55 |
| James Young | 1 | 3:00 |
| Jan Dousa | 40 | 32:04 |
| Jan Endre Jansen | 51 | 2:09:26 |
| Janne Kalliomäki | 81 | 1:10:15 |
| Jan Vida | 13 | 1:41:31 |
| Jaromir Cihak | 13 | 41:51 |
| Jason A | 5 | 4:24 |
| Jason Dyer | 15 | 32:51 |