Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | WaVe | Expert | 2.67 minutes |
| (Co-op) l4d_airport02_offices | WaVe | Expert | 10.22 minutes |
| (Co-op) l4d_airport03_garage | WaVe | Expert | 15.27 minutes |
| (Co-op) l4d_airport05_runway | WaVe | Advanced | 11.23 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | WaVe | Expert | 2.67 minutes |
| (Co-op) l4d_airport02_offices | WaVe | Expert | 10.22 minutes |
| (Co-op) l4d_airport03_garage | WaVe | Expert | 15.27 minutes |
| (Co-op) l4d_airport05_runway | WaVe | Advanced | 11.23 minutes |
| (Co-op) l4d_river01_docks | WaVe | Expert | 10.65 minutes |
| (Co-op) l4d_river01_docks | WaVe | Expert | 10.65 minutes |
| (Co-op) l4d_river02_barge | WaVe | Expert | 10.01 minutes |
| (Co-op) l4d_river02_barge | WaVe | Expert | 10.01 minutes |
| (Co-op) l4d_river03_port | WaVe | Expert | 12.37 minutes |
| (Co-op) l4d_river03_port | WaVe | Expert | 12.37 minutes |