Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | NIETO | Expert | 4.56 minutes |
| (Co-op) l4d_airport02_offices | NIETO | Expert | 12.70 minutes |
| (Co-op) l4d_airport03_garage | NIETO | Expert | 14.78 minutes |
| (Co-op) l4d_airport04_terminal | NIETO | Expert | 8.18 minutes |
| (Co-op) l4d_airport05_runway | NIETO | Expert | 11.00 minutes |
Crash Course (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_garage01_alleys | NIETO | Expert | 13.47 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | NIETO | Expert | 4.56 minutes |
| (Co-op) l4d_airport02_offices | NIETO | Expert | 12.70 minutes |
| (Co-op) l4d_airport03_garage | NIETO | Expert | 14.78 minutes |
| (Co-op) l4d_airport04_terminal | NIETO | Expert | 8.18 minutes |
| (Co-op) l4d_airport05_runway | NIETO | Expert | 11.00 minutes |
| (Co-op) l4d_garage01_alleys | NIETO | Expert | 13.47 minutes |