Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | Chainsシ | Advanced | 11.39 seconds |
| (Co-op) l4d_airport02_offices | Chainsシ | Advanced | 10.14 minutes |
| (Co-op) l4d_airport03_garage | Chainsシ | Advanced | 11.12 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | Chainsシ | Advanced | 11.39 seconds |
| (Co-op) l4d_airport02_offices | Chainsシ | Advanced | 10.14 minutes |
| (Co-op) l4d_airport03_garage | Chainsシ | Advanced | 11.12 minutes |