| Map | Title | Author | Players | |
|---|---|---|---|---|
| ONS-Zenith | Zenith | Mark 'Scrotius' Barton | 28-32 | |
| ONS-ZenithReduxBlizzard | Zenith | Mark 'Scrotius' Barton | 24-32 | |
| ONS-ZeroImpact | ZeroImpact | Brian (brianXm) McDonough | 16-24 | |
| ONS-ZeroImpact-32p | ZeroImpact-32p | Brian (brianXm) McDonough | 16-32 |