Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | Flesh, | Expert | 3.50 minutes |
| (Co-op) l4d_airport02_offices | Flesh, | Expert | 8.74 minutes |
| (Co-op) l4d_airport03_garage | Flesh, | Expert | 7.36 minutes |
| (Co-op) l4d_airport04_terminal | Flesh, | Expert | 6.37 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | Flesh, | Expert | 3.50 minutes |
| (Co-op) l4d_airport02_offices | Flesh, | Expert | 8.74 minutes |
| (Co-op) l4d_airport03_garage | Flesh, | Expert | 7.36 minutes |
| (Co-op) l4d_airport04_terminal | Flesh, | Expert | 6.37 minutes |
| (Co-op) l4d_river02_barge | Flesh, | Expert | 8.80 minutes |
| (Co-op) l4d_river02_barge | Flesh, | Expert | 8.80 minutes |
| (Co-op) l4d_river03_port | Flesh, | Expert | 8.63 minutes |
| (Co-op) l4d_river03_port | Flesh, | Expert | 8.63 minutes |