Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport04_terminal | Marcos | Advanced | 7.52 minutes |
| (Co-op) l4d_airport05_runway | Marcos | Advanced | 6.78 minutes |
Blood Harvest (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_farm01_hilltop | Marcos | Advanced | 4.75 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport04_terminal | Marcos | Advanced | 7.52 minutes |
| (Co-op) l4d_airport05_runway | Marcos | Advanced | 6.78 minutes |
| (Co-op) l4d_farm01_hilltop | Marcos | Advanced | 4.75 minutes |