Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport03_garage | Aist | Normal | 8.66 minutes |
| (Co-op) l4d_airport04_terminal | Aist | Normal | 6.42 minutes |
| (Co-op) l4d_airport05_runway | Aist | Normal | 4.71 minutes |
Blood Harvest (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_farm01_hilltop | Aist | Normal | 3.86 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport03_garage | Aist | Normal | 8.66 minutes |
| (Co-op) l4d_airport04_terminal | Aist | Normal | 6.42 minutes |
| (Co-op) l4d_airport05_runway | Aist | Normal | 4.71 minutes |
| (Co-op) l4d_farm01_hilltop | Aist | Normal | 3.86 minutes |