Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | kolering | Advanced | 3.07 minutes |
| (Co-op) l4d_airport02_offices | kolering | Expert | 13.70 minutes |
| (Co-op) l4d_airport03_garage | kolering | Expert | 9.03 minutes |
| (Co-op) l4d_airport03_garage | kolering | Advanced | 16.20 seconds |
Crash Course (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_garage01_alleys | kolering | Normal | 11.70 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | kolering | Advanced | 3.07 minutes |
| (Co-op) l4d_airport02_offices | kolering | Expert | 13.70 minutes |
| (Co-op) l4d_airport03_garage | kolering | Expert | 9.03 minutes |
| (Co-op) l4d_airport03_garage | kolering | Advanced | 16.20 seconds |
| (Co-op) l4d_garage01_alleys | kolering | Normal | 11.70 minutes |