Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport02_offices | | Normal | 8.42 minutes |
| (Co-op) l4d_airport03_garage | | Normal | 8.64 minutes |
| (Co-op) l4d_airport04_terminal | | Normal | 4.52 minutes |
| (Co-op) l4d_airport05_runway | | Normal | 8.67 minutes |
Blood Harvest (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_farm01_hilltop | | Normal | 3.82 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport02_offices | | Normal | 8.42 minutes |
| (Co-op) l4d_airport03_garage | | Normal | 8.64 minutes |
| (Co-op) l4d_airport04_terminal | | Normal | 4.52 minutes |
| (Co-op) l4d_airport05_runway | | Normal | 8.67 minutes |
| (Co-op) l4d_farm01_hilltop | | Normal | 3.82 minutes |