Custom Maps
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d2_city17_01 | Zulu Three Zero | Advanced | 11.23 minutes |
| (Co-op) l4d2_city17_02 | Zulu Three Zero | Advanced | 13.44 minutes |
| (Co-op) l4d2_city17_03 | Zulu Three Zero | Advanced | 10.29 minutes |
| (Co-op) l4d2_city17_04 | Zulu Three Zero | Advanced | 15.32 minutes |