Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | Itz | Normal | 3.89 minutes |
| (Co-op) l4d_airport02_offices | Itz | Normal | 8.77 minutes |
| (Co-op) l4d_airport03_garage | Itz | Normal | 9.75 minutes |
| (Co-op) l4d_airport04_terminal | Itz | Normal | 6.95 minutes |
| (Co-op) l4d_airport05_runway | Itz | Normal | 6.66 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | Itz | Normal | 3.89 minutes |
| (Co-op) l4d_airport02_offices | Itz | Normal | 8.77 minutes |
| (Co-op) l4d_airport03_garage | Itz | Normal | 9.75 minutes |
| (Co-op) l4d_airport04_terminal | Itz | Normal | 6.95 minutes |
| (Co-op) l4d_airport05_runway | Itz | Normal | 6.66 minutes |