47 wads
| File | Name | Author | Iwad | Demos | Length |
|---|---|---|---|---|---|
| jackalope | Jackalope | Ribbiks | doom2 | 1 | 1:57 |
| jadearth | jadearth | Jodwin | doom2 | 3 | 2:29:38 |
| jagedg01 | jagedg01 | Qingshuo Wang | doom2 | 2 | 7:57 |
| 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 | 5 | 4:57 |
| jal_cas1 | jal_cas1 | James Legg | doom | 1 | 1:09 |
| jamep1 | J.A.M. (Just A Mapset)... | Vortale | doom2 | 10 | 9:29 |
| 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 |
| jbl-500 | Wierd World Cave JBL-500 | Roo | doom2 | 2 | 1:21 |
| jb-reces | jb-reces | Joe Becht | doom2 | 14 | 42:07 |
| jcm1 | jcm1 | JC MegaByte | doom | 49 | 4:40:14 |
| jcm2-16 | jcm2-16 | JC MegaByte | doom | 45 | 3:35:18 |
| jeff247 | jeff247 | Unknown | doom | 1 | 11:05 |
| jeffhell | jeffhell | Jeff Velten | doom | 1 | 1:52 |
| jenesis | JENESIS | James Paddock | doom2 | 156 | 21:02:36 |
| jerry | #969.WAD | Guy Babin | doom | 3 | 3:38 |
| jiffybag | Jiffy Bag | Jimmy | doom2 | 63 | 2:16:50 |
| 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 | 3 | 7:35 |
| jnnhangr | JNNHangar | joshthenesnerd | doom | 2 | 12:14 |
| jobe | Jobe | Marc Fontaine | doom | 1 | 6:29 |
| joetune | joetune | Various | doom2 | 2 | 3:59 |
| joi_lstcv15 | Lost civilization | Jaakko "Jaska" Impola [JOI in maps] | doom2 | 17 | 1:48:39 |
| 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 | 133 | 10:27:56 |
| jptr_v40 | jptr_v40 | Christen Klie & Bob Carter | doom | 3 | 2:41 |
| jq2 | JQ_2 | Ribbiks | doom2 | 4 | 4:55 |
| jspd1 | Jimbo's Single Player ... | Jimbo | doom2 | 1 | 6:55 |
| jth | jth | Isaac Rodriguez | doom2 | 90 | 16:46:06 |
| jth2 | Journey To Hell | Isaac Rodriguez | doom2 | 5 | 31:00 |
| judgment | Judgment | Rayziik | doom2 | 263 | 21:00:00 |
| jumpwad | JUMPWAD | Ribbiks & Grain of Salt | doom2 | 26 | 3:21:41 |
| jungle | jungle | Walter Confalonieri | doom2 | 2 | 5:09 |
| jusshoot | jusshoot | Unknown | doom2 | 1 | 0:35 |
| justec | justec | Thomas J. | doom | 2 | 9:21 |
| justgo | justgo | gggmork | doom2 | 7 | 33:01 |
| justify | justify | Antony Burden | doom2 | 1 | 8:54 |