Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport04_terminal | 1212121212 | Normal | 8.93 minutes |
| (Co-op) l4d_airport05_runway | 1212121212 | Normal | 6.57 minutes |
Blood Harvest (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_farm01_hilltop | 1212121212 | Normal | 3.44 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport04_terminal | 1212121212 | Normal | 8.93 minutes |
| (Co-op) l4d_airport05_runway | 1212121212 | Normal | 6.57 minutes |
| (Co-op) l4d_farm01_hilltop | 1212121212 | Normal | 3.44 minutes |
| (Co-op) l4d_river02_barge | 1212121212 | Expert | 4.71 seconds |
| (Co-op) l4d_river02_barge | 1212121212 | Expert | 4.71 seconds |