No Mercy (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_hospital01_apartment | ZERIK | Normal | 3.27 minutes |
Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | ZERIK | Normal | 4.71 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | ZERIK | Normal | 4.71 minutes |
| (Co-op) l4d_hospital01_apartment | ZERIK | Normal | 3.27 minutes |
| (Co-op) l4d_river01_docks | ZERIK | Normal | 11.03 minutes |
| (Co-op) l4d_river01_docks | ZERIK | Normal | 11.03 minutes |
| (Co-op) l4d_river02_barge | ZERIK | Normal | 17.66 minutes |
| (Co-op) l4d_river02_barge | ZERIK | Normal | 17.66 minutes |