Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | ghost | Normal | 2.29 minutes |
| (Co-op) l4d_airport02_offices | ghost | Normal | 7.58 minutes |
| (Co-op) l4d_airport03_garage | ghost | Normal | 9.58 minutes |
| (Co-op) l4d_airport04_terminal | ghost | Normal | 7.05 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | ghost | Normal | 2.29 minutes |
| (Co-op) l4d_airport02_offices | ghost | Normal | 7.58 minutes |
| (Co-op) l4d_airport03_garage | ghost | Normal | 9.58 minutes |
| (Co-op) l4d_airport04_terminal | ghost | Normal | 7.05 minutes |