Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport03_garage | mars | Normal | 6.10 minutes |
| (Co-op) l4d_airport04_terminal | mars | Normal | 4.21 minutes |
| (Co-op) l4d_airport05_runway | mars | Normal | 6.77 minutes |
Blood Harvest (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_farm01_hilltop | mars | Normal | 3.20 minutes |
| (Co-op) l4d_farm02_traintunnel | mars | Normal | 3.97 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport03_garage | mars | Normal | 6.10 minutes |
| (Co-op) l4d_airport04_terminal | mars | Normal | 4.21 minutes |
| (Co-op) l4d_airport05_runway | mars | Normal | 6.77 minutes |
| (Co-op) l4d_farm01_hilltop | mars | Normal | 3.20 minutes |
| (Co-op) l4d_farm02_traintunnel | mars | Normal | 3.97 minutes |