No Mercy (L4D1)
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_hospital01_apartment | by Pioneer | Advanced | 4.50 minutes |
| (Co-op) l4d_hospital02_subway | by Pioneer | Advanced | 8.28 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_hospital01_apartment | by Pioneer | Advanced | 4.50 minutes |
| (Co-op) l4d_hospital02_subway | by Pioneer | Advanced | 8.28 minutes |
| (Co-op) l4d_river02_barge | by Pioneer | Normal | 11.98 minutes |
| (Co-op) l4d_river02_barge | by Pioneer | Normal | 11.98 minutes |