36 wads
| File | Name | Author | Iwad | Demos | Length |
|---|---|---|---|---|---|
| jadearth | jadearth | Jodwin | doom2 | 3 | 2:29:37 |
| jagedg01 | jagedg01 | Qingshuo Wang | doom2 | 2 | 7:56 |
| jagedg02 | jagedg02 | Qingshuo Wang | doom2 | 2 | 6:14 |
| jagedg03 | jagedg03 | Qingshuo Wang | doom2 | 2 | 17:06 |
| jail | jail | Kevin Sullivan | doom2 | 1 | 11:26 |
| jailbait | jailbait | Unknown | doom | 1 | 7:50 |
| jail_wad | jail_wad | Unknown | doom | 2 | 3:58 |
| jakobs | jakobs | Ruba | doom2 | 3 | 3:28 |
| jal_cas1 | jal_cas1 | James Legg | doom | 1 | 1:09 |
| janine | January Ninth | Jon 40oz Vail | doom2 | 1 | 1:14 |
| jaq | jaq | Retog | doom2 | 2 | 2:39 |
| jax04 | jax04 | Glenn Jackson | doom2 | 3 | 10:01 |
| jb-reces | jb-reces | Joe Becht | doom2 | 14 | 42:06 |
| jcm1 | jcm1 | JC MegaByte | doom | 47 | 4:32:40 |
| jcm2-16 | jcm2-16 | JC MegaByte | doom | 45 | 3:35:19 |
| jeff247 | jeff247 | Unknown | doom | 1 | 11:05 |
| jeffhell | jeffhell | Jeff Velten | doom | 1 | 1:52 |
| jenesis | JENESIS | James Paddock | doom2 | 135 | 13:45:25 |
| jiggi | jiggi | Ruba | doom2 | 6 | 8:47 |
| jimmy | jimmy | Jim Shrum | doom2 | 2 | 3:10 |
| jimmy_1997 | JIMMY3.WAD | Jimmy Pierce | doom | 1 | 0:43 |
| jimstout | STOUT.WAD | James Stout | doom2 | 1 | 2:47 |
| jnnhangr | JNNHangar | joshthenesnerd | doom | 2 | 12:13 |
| joetune | joetune | Various | doom2 | 2 | 3:59 |
| joi_lstcv15 | Lost civilization | Jaakko "Jaska" Impola [JOI in maps] | doom2 | 4 | 29:34 |
| jow | jow | Jason Wainman | doom2 | 40 | 3:09:22 |
| joymaps1 | joymaps1 | Various | doom2 | 33 | 18:31 |
| joymaps2 | joymaps2 | Various | doom2 | 4 | 6:03 |
| jpcp | Japanese Community Pro... | Various | doom2 | 127 | 10:24:30 |
| jptr_v40 | jptr_v40 | Christen Klie & Bob Carter | doom | 3 | 2:41 |
| jth | jth | Isaac Rodriguez | doom2 | 87 | 16:32:17 |
| jungle | jungle | Walter Confalonieri | doom2 | 1 | 3:00 |
| jusshoot | jusshoot | Unknown | doom2 | 1 | 0:35 |
| justec | justec | Thomas J. | doom | 1 | 5:07 |
| justgo | justgo | gggmork | doom2 | 7 | 33:00 |
| justify | justify | Antony Burden | doom2 | 1 | 8:54 |