No Mercy (L4D1)
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_hospital01_apartment | [BR]by Pioneer | Advanced | 3.13 minutes |
Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_airport02_offices | [BR]by Pioneer | Normal | 8.28 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_airport02_offices | [BR]by Pioneer | Normal | 8.28 minutes |
| (Co-op) l4d_hospital01_apartment | [BR]by Pioneer | Advanced | 3.13 minutes |