Custom Maps
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d2_city17_01 | UtterlyNutterly | Normal | 4.22 minutes |
| (Co-op) l4d2_city17_02 | UtterlyNutterly | Normal | 8.96 minutes |
| (Co-op) l4d2_city17_03 | UtterlyNutterly | Normal | 7.15 minutes |
| (Co-op) l4d2_city17_04 | UtterlyNutterly | Normal | 9.15 minutes |