25 wads
| File | Name | Author | Iwad | Demos | Length |
|---|---|---|---|---|---|
| joymaps2 | joymaps2 | Various | doom2 | 4 | 6:03 |
| jpcp | Japanese Community Pro... | Various | doom2 | 143 | 10:43:45 |
| jptr_v40 | jptr_v40 | Christen Klie & Bob Carter | doom | 6 | 7:35 |
| jq2 | JQ_2 | Ribbiks | doom2 | 14 | 22:06 |
| 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 | 14 | 1:19:45 |
| judgemnt | Judgement | Jessica Parrish | doom2 | 1 | 2:13 |
| judgment | Judgment | Rayziik | doom2 | 283 | 22:33:26 |
| judgmentrt | Judgment: Retrial | Rayziik | doom2 | 20 | 50:05 |
| jumpwad | JUMPWAD | Ribbiks & Grain of Salt | doom2 | 37 | 3:39:07 |
| jungle | jungle | Walter Confalonieri | doom2 | 2 | 5:09 |
| junkfood | Junkfood | Various | doom2 | 576 | 46:50:13 |
| junkfood2 | Junkfood 2: Summertime... | Various | doom2 | 380 | 55:14:06 |
| junkfood3 | Junkfood 3: Wow Wow West | Various | doom2 | 302 | 41:04:29 |
| junkfood4 | Junkfood 4: Slotterween | Various | doom2 | 78 | 25:34:24 |
| jupcarn2 | Jupiter Carnage 2: To ... | Bzzrak Ktazzz | doom | 1 | 1:43 |
| jupcarn3 | Jupiter Carnage 3! | Bzzrak Ktazzz | doom | 2 | 13:29 |
| jupcarna | Jupiter Carnage! | Bzzrak Ktazzz | doom | 1 | 1:28 |
| jusshoot | jusshoot | Unknown | doom2 | 4 | 2:02 |
| justec | justec | Thomas J. | doom | 2 | 9:21 |
| justgo | justgo | gggmork | doom2 | 7 | 33:01 |
| justify | justify | Antony Burden | doom2 | 1 | 8:54 |
| k2hour | k2hour | Zoltan Schmidt | doom2 | 2 | 2:53 |
| k9 | k9 | Keith Sheehan & Dave Murray | doom | 2 | 16:22 |