No Mercy (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_hospital01_apartment | inf. | Normal | 4.17 seconds |
| (Co-op) l4d_hospital03_sewers | inf. | Advanced | 9.31 minutes |
Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport04_terminal | inf. | Expert | 11.27 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport04_terminal | inf. | Expert | 11.27 minutes |
| (Co-op) l4d_hospital01_apartment | inf. | Normal | 4.17 seconds |
| (Co-op) l4d_hospital03_sewers | inf. | Advanced | 9.31 minutes |