No Mercy (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_hospital02_subway | by Pioneer | Normal | 8.41 minutes |
| (Co-op) l4d_hospital03_sewers | by Pioneer | Normal | 9.52 minutes |
| (Co-op) l4d_hospital04_interior | by Pioneer | Normal | 1.71 minutes |
Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | by Pioneer | Normal | 5.19 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | by Pioneer | Normal | 5.19 minutes |
| (Co-op) l4d_hospital02_subway | by Pioneer | Normal | 8.41 minutes |
| (Co-op) l4d_hospital03_sewers | by Pioneer | Normal | 9.52 minutes |
| (Co-op) l4d_hospital04_interior | by Pioneer | Normal | 1.71 minutes |