| Map | Title | Author | Players | |
|---|---|---|---|---|
| CTF-IceAge | IceAge | Smoke | Unknown | |
| CTF-IceAge2 | IceAge2 | Smoke | Unknown | |
| CTF-IceBlaster | CTF-IceBlaster | DeV@oX | Unknown | |
| CTF-Icebreaker | Icebreaker | Jeff 'Nightshift' Buhler | 12-16 | |
| CTF-IceCapZone | IceCapZone | Monasta | 4-12 | |
| CTF-IceFields | Ice Fields | Dave Ewing | 8-12 | |
| CTF-IceFury2 | IceFury2 | Michael "widowmaker" Cranston | 8-16 | |
| CTF-IceInsects | Ice Insects | Vanx | 12 | |
| CTF-IDOLWORSHIP | CTF-IDOLWORSHIP | MICHAEL ROBERTSON | 8-16 | |
| CTF-IDOLWORSHIP-THE-RETURN | CTF-IDOLWORSHIP | Unknown | 8-12 | |
| CTF-IDOLWORSHIP-THE-RETURN-BE | CTF-IDOLWORSHIP | Micheal"BigMick"Robertson | 8-12 | |
| ctf-igneous | CTF-Igneous | Jamie .L | 2-16 | |
| CTF-IllusionS | Illusion Land | James "Illusions" Gall | 4 | |
| CTF-Immeasurable | Immeasurable | Tom "Telos" Alberi | 16 | |
| CTF-ImpactZone | Phobos Impact Zone | John 'SylverFyre' Barker | 8-12 | |
| CTF-Impasse | Impasse | Josh Bolton | Unknown | |
| ctf-industrial-carnage-V5 | Industrial Carnage-V5 | chris (R3D-V) Molyneux | 8-16 | |
| CTF-Insane | CTF-Insane | EVH | Unknown | |
| CTF-IonMadness | Ion Madness | Underscore | 16 |