Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | | Advanced | 3.29 minutes |
| (Co-op) l4d_airport02_offices | | Advanced | 9.66 minutes |
| (Co-op) l4d_airport03_garage | | Advanced | 7.66 minutes |
| (Co-op) l4d_airport04_terminal | | Advanced | 6.13 minutes |
| (Co-op) l4d_airport05_runway | | Advanced | 6.62 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | | Advanced | 3.29 minutes |
| (Co-op) l4d_airport02_offices | | Advanced | 9.66 minutes |
| (Co-op) l4d_airport03_garage | | Advanced | 7.66 minutes |
| (Co-op) l4d_airport04_terminal | | Advanced | 6.13 minutes |
| (Co-op) l4d_airport05_runway | | Advanced | 6.62 minutes |
| (Co-op) l4d_river01_docks | | Advanced | 9.37 minutes |
| (Co-op) l4d_river01_docks | | Advanced | 9.37 minutes |
| (Co-op) l4d_river02_barge | | Advanced | 9.74 minutes |
| (Co-op) l4d_river02_barge | | Advanced | 9.74 minutes |
| (Co-op) l4d_river03_port | | Advanced | 5.59 minutes |
| (Co-op) l4d_river03_port | | Advanced | 5.59 minutes |