Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_airport01_greenhouse | Wicked | Advanced | 4.18 minutes |
| (Co-op) l4d_airport02_offices | Wicked | Advanced | 14.18 minutes |
| (Co-op) l4d_airport03_garage | Wicked | Expert | 10.40 minutes |
| (Co-op) l4d_airport03_garage | Wicked | Advanced | 14.07 minutes |
| (Co-op) l4d_airport04_terminal | Wicked | Advanced | 12.12 minutes |
| (Co-op) l4d_airport05_runway | Wicked | Expert | 7.29 minutes |
| (Co-op) l4d_airport05_runway | Wicked | Advanced | 9.10 minutes |