Custom Maps
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d2_city17_01 | Thundergor | Normal | 9.47 minutes |
| (Co-op) l4d2_city17_02 | Thundergor | Normal | 8.60 minutes |
| (Co-op) l4d2_city17_03 | Thundergor | Normal | 12.39 minutes |
| (Co-op) l4d2_city17_04 | Thundergor | Normal | 18.67 minutes |
| (Co-op) l4d2_city17_05 | Thundergor | Normal | 10.12 minutes |