25 players
| Name | Demos | Length |
|---|---|---|
| Jackass of Doom | 9 | 2:09:06 |
| JackDBS | 276 | 21:34:39 |
| Jakub Machata | 198 | 8:03:48 |
| 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 |
| Jason Henry | 85 | 21:19:50 |
| Jason Luebke | 1 | 2:09 |
| Jason Masihdas | 3 | 4:44 |
| Jason Root | 1 | 25:37 |
| Jason Sloan | 1 | 1:42 |
| Jason VanFickell | 1 | 0:13 |
| Javier Rodriguez | 35 | 5:57:39 |
| Jax | 1 | 0:44 |
| JBelle | 1 | 0:18 |