Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport03_garage | Comrade | Advanced | 13.63 minutes |
| (Co-op) l4d_airport04_terminal | Comrade | Advanced | 8.03 minutes |
| (Co-op) l4d_airport05_runway | Comrade | Advanced | 8.88 minutes |
Death Toll (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_smalltown04_mainstreet | Comrade | Advanced | 13.60 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport03_garage | Comrade | Advanced | 13.63 minutes |
| (Co-op) l4d_airport04_terminal | Comrade | Advanced | 8.03 minutes |
| (Co-op) l4d_airport05_runway | Comrade | Advanced | 8.88 minutes |
| (Co-op) l4d_smalltown04_mainstreet | Comrade | Advanced | 13.60 minutes |