Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_airport01_greenhouse | The ded.Serega | Normal | 1.87 seconds |
| (Co-op) l4d_airport02_offices | The ded.Serega | Advanced | 8.34 minutes |
| (Co-op) l4d_airport02_offices | The ded.Serega | Normal | 1.34 minutes |
| (Co-op) l4d_airport03_garage | The ded.Serega | Normal | 16.36 minutes |
| (Co-op) l4d_airport04_terminal | The ded.Serega | Normal | 10.62 minutes |
Crash Course (L4D1)
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_garage02_lots | The ded.Serega | Expert | 19.17 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_airport01_greenhouse | The ded.Serega | Normal | 1.87 seconds |
| (Co-op) l4d_airport02_offices | The ded.Serega | Advanced | 8.34 minutes |
| (Co-op) l4d_airport02_offices | The ded.Serega | Normal | 1.34 minutes |
| (Co-op) l4d_airport03_garage | The ded.Serega | Normal | 16.36 minutes |
| (Co-op) l4d_airport04_terminal | The ded.Serega | Normal | 10.62 minutes |
| (Co-op) l4d_garage02_lots | The ded.Serega | Expert | 19.17 minutes |