25 players
| Name | Demos | Length |
|---|---|---|
| Jim Steele | 1 | 0:13 |
| Jizzwardo | 10 | 40:58 |
| jjthebird | 52 | 5:19:26 |
| J. Learn Shiore | 51 | 5:11:47 |
| jmickle | 4 | 4:23 |
| JMM | 4 | 1:02 |
| Joan Baguda | 1 | 1:50 |
| Joca64 | 43 | 4:48:55 |
| Jodwin | 15 | 1:58:11 |
| Joe Abene | 25 | 1:33:29 |
| Joe Breen | 3 | 2:24:46 |
| Joe-Ilya | 70 | 6:39:38 |
| Johnathan Scott | 1 | 2:24 |
| John Blackburn | 26 | 2:29:48 |
| John Cartwright | 10 | 2:06:40 |
| johnfrinky | 12 | 12:22:00 |
| John Keniry | 24 | 2:18:21 |
| Johnnybob5 | 4 | 3:25 |
| JohnOfAllGames | 102 | 49:17:00 |
| johntitor | 46 | 6:37:26 |
| John Upper | 1 | 2:47 |
| Jokin | 71 | 16:45:50 |
| JonaG | 309 | 4:14:25 |
| Jonathan Hoof | 4 | 48:23 |
| Jonathan Matthies | 15 | 50:35 |