Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport02_offices | bisou | Normal | 8.97 minutes |
| (Co-op) l4d_airport03_garage | bisou | Normal | 6.89 minutes |
| (Co-op) l4d_airport04_terminal | bisou | Normal | 8.01 minutes |
| (Co-op) l4d_airport05_runway | bisou | Normal | 6.65 minutes |
Blood Harvest (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_farm01_hilltop | bisou | Advanced | 4.51 minutes |
| (Co-op) l4d_farm02_traintunnel | bisou | Advanced | 7.03 minutes |
| (Co-op) l4d_farm02_traintunnel | bisou | Normal | 6.79 minutes |
| (Co-op) l4d_farm03_bridge | bisou | Normal | 9.22 minutes |
| (Co-op) l4d_farm04_barn | bisou | Normal | 6.11 minutes |
| (Co-op) l4d_farm05_cornfield | bisou | Normal | 7.22 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport02_offices | bisou | Normal | 8.97 minutes |
| (Co-op) l4d_airport03_garage | bisou | Normal | 6.89 minutes |
| (Co-op) l4d_airport04_terminal | bisou | Normal | 8.01 minutes |
| (Co-op) l4d_airport05_runway | bisou | Normal | 6.65 minutes |
| (Co-op) l4d_farm01_hilltop | bisou | Advanced | 4.51 minutes |
| (Co-op) l4d_farm02_traintunnel | bisou | Advanced | 7.03 minutes |
| (Co-op) l4d_farm02_traintunnel | bisou | Normal | 6.79 minutes |
| (Co-op) l4d_farm03_bridge | bisou | Normal | 9.22 minutes |
| (Co-op) l4d_farm04_barn | bisou | Normal | 6.11 minutes |
| (Co-op) l4d_farm05_cornfield | bisou | Normal | 7.22 minutes |