No Mercy (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_hospital04_interior | | Expert | 7.33 minutes |
Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport04_terminal | | Expert | 8.46 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport04_terminal | | Expert | 8.46 minutes |
| (Co-op) l4d_hospital04_interior | | Expert | 7.33 minutes |