Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | Queltasse | Advanced | 2.61 minutes |
| (Co-op) l4d_airport02_offices | Queltasse | Advanced | 7.68 minutes |
| (Co-op) l4d_airport03_garage | Queltasse | Advanced | 5.63 minutes |
| (Co-op) l4d_airport04_terminal | Queltasse | Advanced | 6.28 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | Queltasse | Advanced | 2.61 minutes |
| (Co-op) l4d_airport02_offices | Queltasse | Advanced | 7.68 minutes |
| (Co-op) l4d_airport03_garage | Queltasse | Advanced | 5.63 minutes |
| (Co-op) l4d_airport04_terminal | Queltasse | Advanced | 6.28 minutes |