Dead Air
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_airport01_greenhouse |  nicoghost292 | Expert | 3.09 minutes |
| (Co-op) l4d_airport02_offices | nicoghost292 | Expert | 10.43 minutes |
| (Co-op) l4d_airport03_garage | nicoghost292 | Expert | 9.70 minutes |
| (Co-op) l4d_airport04_terminal | nicoghost292 | Expert | 2.52 minutes |
