Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport04_terminal | SD | Normal | 4.72 minutes |
| (Co-op) l4d_airport05_runway | SD | Normal | 7.27 minutes |
Blood Harvest (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_farm01_hilltop | SD | Normal | 3.46 minutes |
| (Co-op) l4d_farm04_barn | SD | Normal | 5.85 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport04_terminal | SD | Normal | 4.72 minutes |
| (Co-op) l4d_airport05_runway | SD | Normal | 7.27 minutes |
| (Co-op) l4d_farm01_hilltop | SD | Normal | 3.46 minutes |
| (Co-op) l4d_farm04_barn | SD | Normal | 5.85 minutes |
| (Co-op) l4d_river01_docks | SD | Normal | 9.52 minutes |
| (Co-op) l4d_river01_docks | SD | Normal | 9.52 minutes |