80 wads
| File | Name | Author | Iwad | Demos | Length |
|---|---|---|---|---|---|
| iamevil1 | iamevil1 | Dr. Beefstupid | doom2 | 3 | 8:19 |
| iamevil2 | iamevil2 | Dr. Beefstupid | doom2 | 3 | 0:09 |
| iamevil3 | iamevil3 | Dr. Beefstupid | doom2 | 2 | 0:09 |
| iamevil4 | iamevil4 | Dr. Beefstupid | doom2 | 3 | 3:14 |
| iamevil5 | iamevil5 | Dr. Beefstupid | doom2 | 2 | 20:39 |
| iamevil6 | iamevil6 | Dr. Beefstupid | doom2 | 3 | 0:22 |
| iamevil7 | iamevil7 | Dr. Beefstupid | doom2 | 2 | 2:54 |
| iamevil8 | iamevil8 | Dr. Beefstupid | doom2 | 2 | 4:41 |
| iasp | iasp | Jow | doom2 | 1 | 11:17 |
| ibmap | Happy Birthday Insanit... | 40oz | doom2 | 2 | 5:00 |
| ic11 | ic11 | Todd Prince | doom | 2 | 1:44 |
| ic1room | ic1room | Ian Cunnings | doom2 | 3 | 1:51 |
| ic2001 | ic2001 | Ian Cunnings | doom2 | 2 | 1:03:47 |
| ic2002 | ic2002 | Ian Cunnings | doom2 | 1 | 20:10 |
| ic2003 | ic2003 | Ian Cunnings | doom2 | 1 | 18:36 |
| icannar | icannar | 129th Visplane | doom2 | 1 | 4:05 |
| icar2015 | icar2015 | Alexander S. | doom2 | 16 | 1:32:17 |
| icarumem | icarumem | Memfis | doom2 | 1 | 2:27 |
| icarus | Icarus | TeamTNT | doom2 | 439 | 35:21:16 |
| icedeath | icedeath | V. T. Ice | doom | 1 | 26:20 |
| icenite2 | icenite2 | V. T. Ice | doom2 | 1 | 16:52 |
| ick | ick | Karthik Abhirama | doom | 4 | 13:31 |
| icon2 | icon2 | Ed Cripps | doom2 | 1 | 1:32 |
| iconic01 | iconic01 | Mr. Chris | doom | 1 | 7:31 |
| idbest | idbest | Chris Dale | doom | 2 | 4:35 |
| iditarod | iditarod | Myscha, the Sled Dog | doom2 | 5 | 30:09 |
| iepiss | iepiss | Impboy4 | doom | 1 | 0:34 |
| ihic | ihic | Josh Sealy | plutonia | 2 | 17:32 |
| iilcmap01 | iilcmap01 | rdwpa | doom2 | 5 | 14:56 |
| ill_engn | illicit engineering | null1024 | doom | 1 | 32:23 |
| illumi | illumi | Cory Scott | doom2 | 39 | 5:49:07 |
| ilusory1 | ilusory1 | Brett Librandi | doom | 2 | 17:48 |
| imp1 | imp1 | Jon Davis | doom | 1 | 3:03 |
| imparena | imparena | Mike Watson | doom2 | 1 | 5:31 |
| impoffer | impoffer | Cynical | doom2 | 1 | 12:57 |
| impsev2 | impsev2 | gggmork | doom2 | 1 | 5:26 |
| impzone | impzone | John Warren | doom | 6 | 6:08 |
| inad | inad | Carl Buddig | doom2 | 1 | 1:09 |
| incence2 | incence2 | Donnel Enriquez | doom2 | 3 | 1:58 |
| indifference | indifference | Andy Leaver | doom | 1 | 9:10 |
| industrl | industrl | Kevin Reay | doom2 | 1 | 2:28:07 |
| infantry | infantry | Michael Laakso | doom2 | 1 | 1:04 |
| infbase2 | infbase2 | Gothic | doom2 | 3 | 16:09 |
| infectd2 | infectd2 | Jose Luis Gallardo | doom2 | 1 | 9:48 |
| infiltr8 | The Infiltrator | Brett Manzer | doom2 | 1 | 4:54 |
| infini | infini | Sam Ellis | doom2 | 2 | 0:53 |
| infinity | infinity | Bjorn Hermans & Holger Nathrath | doom | 19 | 3:09:05 |
| inf-lutz | inf-lutz | Christopher Lutz | doom | 41 | 3:05:41 |
| inhell | inhell | Peter Gizzi | doom | 7 | 5:20 |
| inmcorp | inmcorp | Martin Friberg | doom2 | 3 | 8:00 |
| inncence | inncence | Donnel Enriquez | doom2 | 7 | 4:56 |
| innrgate | innrgate | Ben Davies | doom2 | 1 | 4:20 |
| insanit2 | insanit2 | Alex Mayberry | doom2 | 2 | 35:25 |
| insdeath | insdeath | Maarten Hoogveld | doom2 | 1 | 4:04 |
| insrtion | insrtion | Various | doom2 | 19 | 2:00:28 |
| intent | intent | Jay Townsend | doom2 | 9 | 45:38 |
| intercep | intercep | The Interceptors | doom2 | 26 | 1:36:45 |
| intime | intime | Zoltan Schmidt | doom2 | 20 | 51:01 |
| intrsect | intrsect | Kevin Eudy | doom | 1 | 10:42 |
| intzone | intzone | Jim Flynn | doom2 | 1 | 14:35 |
| inva2_09b | inva2_09b | Paul Fleschute & Rick Lipsey | doom2 | 55 | 8:39:21 |
| invade1 | invade1 | Andy Chen & Claude Martins | doom | 3 | 40:33 |
| invade2 | invade2 | Andy Chen & Claude Martins | doom | 2 | 1:05:04 |
| invaders | invaders | Dominique Lavergne | doom2 | 6 | 1:56:05 |
| invsiege | invsiege | Andy Chen & Claude Martins | doom2 | 3 | 8:29 |
| ioanomal | Io Anomaly | Exl | doom | 1 | 8:37 |
| ipeitw | ipeitw | Typical Doom Mapper | doom2 | 1 | 0:08 |
| iraik | iraik | enkeli33 | heretic | 3 | 4:36 |
| iraktrst | iraktrst | Ruba | doom2 | 1 | 0:50 |
| irampage | irampage | Aaron | doom2 | 1 | 7:01 |
| irem | irem | Breezeep | doom2 | 4 | 8:16 |
| iroquois | iroquois | Aaron Veenstra | doom2 | 3 | 3:11 |
| isl | In Satan's Lair | Neil Howie | doom2 | 4 | 11:31 |
| istnbul | istnbul | Chris Mead | doom2 | 3 | 19:01 |
| italo | italo | dannebubinga & Ribbiks | doom2 | 61 | 2:53:27 |
| itd-r20u | itd-r20u | Micah Harwell | doom | 27 | 45:05 |
| ithurts | ithurts | Doug Jenkins | doom2 | 15 | 1:29:10 |
| itrip1 | itrip1 | darkdave1985 | doom2 | 1 | 1:14 |
| itwas | itwas | mrthejoshmon | tnt | 2 | 15:00 |
| iu-part5 | iu-part5 | David Bernardi | doom2 | 2 | 15:21 |