Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d2_city17_01 | Alienhell | Normal | 4.40 minutes |
| (Co-op) l4d2_city17_02 | Alienhell | Normal | 9.01 minutes |
| (Co-op) l4d2_city17_03 | Alienhell | Normal | 8.87 minutes |
| (Co-op) l4d2_city17_04 | Alienhell | Normal | 13.08 minutes |
| (Co-op) l4d2_city17_05 | Alienhell | Normal | 9.46 minutes |