| Map | Title | Author | Players | |
|---|---|---|---|---|
| CTF-Odyssey | Odyssey | Michail 'Moloch' Levchinko | 8-16 | |
| CTF-OldSpaceStation | OldSpaceStation | HD4850 | 6 to 12 | |
| CTF-OneWay | OneWay | Unknown | 2 to 10 | |
| CTF-OptiExtract3 | OptiExtract | Unknown | 10 to 14 | |
| CTF-Orbital2007 | Orbital2007 | -oMLeTTe- | Unknown | |
| CTF-Orbital2007 | Orbital2007 | -oMLeTTe- | Unknown | |
| CTF-Orbital_2-UT3 | CTF-Orbital_2-UT3 | Unknown | Unknown | |
| CTF-OrbitalPipes | Orbital Pipes | Gloryroader | 8 to 16 | |
| CTF-OrderOfMagnitude | Shrink Gun | Unknown | Unknown | |
| CTF-Oriental_High_Tide | Oriental_High_Tide | james thompson | Unknown | |
| CTF-OverBurner | OverBurner | Unknown | Unknown |