Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | | Normal | 3.76 minutes |
| (Co-op) l4d_airport02_offices | | Normal | 9.53 minutes |
| (Co-op) l4d_airport04_terminal | | Normal | 5.82 minutes |
| (Co-op) l4d_airport05_runway | | Normal | 6.40 minutes |
Blood Harvest (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_farm01_hilltop | | Normal | 3.86 minutes |
| (Co-op) l4d_farm02_traintunnel | | Normal | 5.50 minutes |
| (Co-op) l4d_farm03_bridge | | Normal | 8.77 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | | Normal | 3.76 minutes |
| (Co-op) l4d_airport02_offices | | Normal | 9.53 minutes |
| (Co-op) l4d_airport04_terminal | | Normal | 5.82 minutes |
| (Co-op) l4d_airport05_runway | | Normal | 6.40 minutes |
| (Co-op) l4d_farm01_hilltop | | Normal | 3.86 minutes |
| (Co-op) l4d_farm02_traintunnel | | Normal | 5.50 minutes |
| (Co-op) l4d_farm03_bridge | | Normal | 8.77 minutes |