Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport04_terminal | [UZ]Toxic | Normal | 5.79 minutes |
| (Co-op) l4d_airport05_runway | [UZ]Toxic | Normal | 5.63 minutes |
Blood Harvest (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_farm03_bridge | [UZ]Toxic | Normal | 4.45 minutes |
| (Co-op) l4d_farm04_barn | [UZ]Toxic | Normal | 5.51 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport04_terminal | [UZ]Toxic | Normal | 5.79 minutes |
| (Co-op) l4d_airport05_runway | [UZ]Toxic | Normal | 5.63 minutes |
| (Co-op) l4d_farm03_bridge | [UZ]Toxic | Normal | 4.45 minutes |
| (Co-op) l4d_farm04_barn | [UZ]Toxic | Normal | 5.51 minutes |