Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport02_offices | Merfly | Expert | 7.49 minutes |
| (Co-op) l4d_airport03_garage | Merfly | Expert | 8.54 minutes |
| (Co-op) l4d_airport04_terminal | Merfly | Expert | 5.20 minutes |
| (Co-op) l4d_airport05_runway | Merfly | Expert | 8.53 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport02_offices | Merfly | Expert | 7.49 minutes |
| (Co-op) l4d_airport03_garage | Merfly | Expert | 8.54 minutes |
| (Co-op) l4d_airport04_terminal | Merfly | Expert | 5.20 minutes |
| (Co-op) l4d_airport05_runway | Merfly | Expert | 8.53 minutes |
| (Co-op) l4d_river01_docks | Merfly | Expert | 13.99 minutes |
| (Co-op) l4d_river01_docks | Merfly | Expert | 13.99 minutes |
| (Co-op) l4d_river02_barge | Merfly | Expert | 8.85 minutes |
| (Co-op) l4d_river02_barge | Merfly | Expert | 8.85 minutes |
| (Co-op) l4d_river03_port | Merfly | Expert | 8.36 minutes |
| (Co-op) l4d_river03_port | Merfly | Expert | 8.36 minutes |