25 wads
| File | Name | Author | Iwad | Demos | Length |
|---|---|---|---|---|---|
| ioanomal | Io Anomaly | Exl | doom | 1 | 8:37 |
| ipeitw | ipeitw | Typical Doom Mapper | doom2 | 1 | 0:08 |
| ir | Ice Rage | mArt1And00m3r11339 | doom2 | 1 | 1:56:10 |
| iraik | I'ts Real And It Kills... | enkeli33 | heretic | 3 | 4:36 |
| iraktrst | iraktrst | Ruba | doom2 | 3 | 1:30 |
| irampage | irampage | Aaron | doom2 | 1 | 7:01 |
| irem | irem | Breezeep | doom2 | 4 | 8:17 |
| iroquois | iroquois | Aaron Veenstra | doom2 | 5 | 3:35 |
| isl | In Satan's Lair | Neil Howie | doom2 | 5 | 16:27 |
| istnbul | istnbul | Chris Mead | doom2 | 3 | 19:01 |
| italo | Italo-Doom | dannebubinga & Ribbiks | doom2 | 190 | 12:54:10 |
| itd-r20u | itd-r20u | Micah Harwell | doom | 30 | 48:55 |
| ithurts | ithurts | Doug Jenkins | doom2 | 17 | 1:34:26 |
| itrip1 | itrip1 | darkdave1985 | doom2 | 1 | 1:14 |
| itstuff | IT'S TOUGH | xxxdarkmaster1337 | doom2 | 1 | 3:24 |
| ittu | Into the Unknown | Rami Ramstedt | doom | 1 | 27:29 |
| itwas | itwas | mrthejoshmon | tnt | 2 | 15:00 |
| itysm | I Think You Should Marble | Treehouseminis | doom2 | 1 | 6:39 |
| iu-part5 | iu-part5 | David Bernardi | doom2 | 2 | 15:21 |
| iu-part5-zd109c | INVASION UAC RC5 | David "Xsnake" Bernardi | doom2 | 42 | 6:55:31 |
| iv1024 | Ivano: 1024 | Ivano Lich | doom2 | 1 | 1:06 |
| ivydotwad | ivydotwad.wad | ivymagnapinna | doom2 | 21 | 1:51:26 |
| iwngya | I WILL NEVER GIVE YOU ... | Maribo | doom2 | 6 | 8:01 |
| jackalope | Jackalope | Ribbiks | doom2 | 1 | 1:57 |
| jadearth | jadearth | Jodwin | doom2 | 3 | 2:29:38 |