25 wads
| File | Name | Author | Iwad | Demos | Length |
|---|---|---|---|---|---|
| icedeath | icedeath | V. T. Ice | doom | 2 | 41:20 |
| icenite2 | icenite2 | V. T. Ice | doom2 | 1 | 16:52 |
| icetmpl | Ice Temple of the Maul... | Weyland | heretic | 0 | 0:00 |
| icgya | I CANT GIVE YOU ANY THING | Various | doom2 | 128 | 5:49:25 |
| ichinichi | ichinichi | TheMightyWhoosh | doom2 | 50 | 1:53:22 |
| ichinichi_2023_08_22 | ichinichi | TheMightyWhoosh | doom2 | 3 | 1:37:25 |
| ick | ick | Karthik Abhirama | doom | 5 | 14:52 |
| icon2 | icon2 | Ed Cripps | doom2 | 3 | 3:46 |
| iconic01 | iconic01 | Mr. Chris | doom | 1 | 7:31 |
| ics | I Can't Sleep | OverflowingMocha | doom2 | 1 | 0:52 |
| id1 | Legacy of Rust | id Software, Nightdive Studios, MachineGames | doom2 | 11 | 14:46 |
| idbest | idbest | Chris Dale | doom | 3 | 4:45 |
| idgaf1 | idgaf1 | gggmork | doom2 | 2 | 5:03 |
| iditarod | iditarod | Myscha, the Sled Dog | doom2 | 6 | 35:17 |
| idmqwcon | Idoom mapping contest ... | Various | doom2 | 1 | 4:06 |
| iepiss | iepiss | Impboy4 | doom | 2 | 2:17 |
| if | Infernovasion | The_SloVinator aka The_DooMinator | doom | 1 | 36:03 |
| igiveup | I Give Up On Trying to... | MegaZzZeux | doom2 | 2 | 4:29 |
| ihic | ihic | Josh Sealy | plutonia | 4 | 27:47 |
| iilcmap01 | iilcmap01 | rdwpa | doom2 | 5 | 14:56 |
| ikeep | The Ice Keep | HotCoffee | doom | 1 | 6:23 |
| ill_engn | illicit engineering | null1024 | doom | 11 | 1:12:05 |
| illumi | Illuminatus v1.1.4 | Cory Scott (NiTROACTiVE) | doom2 | 8 | 33:42 |
| illumi_2018 | Illuminatus v1.0.1 | Cory Scott (NiTROACTiVE) | doom2 | 36 | 6:15:54 |
| ilusory1 | ilusory1 | Brett Librandi | doom | 2 | 17:48 |