Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | ho11ow | Advanced | 3.23 minutes |
| (Co-op) l4d_airport02_offices | ho11ow | Advanced | 8.09 minutes |
| (Co-op) l4d_airport03_garage | ho11ow | Advanced | 6.87 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | ho11ow | Advanced | 3.23 minutes |
| (Co-op) l4d_airport02_offices | ho11ow | Advanced | 8.09 minutes |
| (Co-op) l4d_airport03_garage | ho11ow | Advanced | 6.87 minutes |