Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | xXx | Advanced | 5.89 minutes |
| (Co-op) l4d_airport02_offices | xXx | Advanced | 7.08 minutes |
| (Co-op) l4d_airport03_garage | xXx | Advanced | 8.05 minutes |
| (Co-op) l4d_airport04_terminal | xXx | Advanced | 4.51 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | xXx | Advanced | 5.89 minutes |
| (Co-op) l4d_airport02_offices | xXx | Advanced | 7.08 minutes |
| (Co-op) l4d_airport03_garage | xXx | Advanced | 8.05 minutes |
| (Co-op) l4d_airport04_terminal | xXx | Advanced | 4.51 minutes |
| (Co-op) l4d_river03_port | xXx | Advanced | 5.37 minutes |
| (Co-op) l4d_river03_port | xXx | Advanced | 5.37 minutes |