Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | Wave | Expert | 5.63 minutes |
| (Co-op) l4d_airport02_offices | Wave | Expert | 10.53 minutes |
| (Co-op) l4d_airport03_garage | Wave | Expert | 20.16 minutes |
| (Co-op) l4d_airport04_terminal | Wave | Expert | 9.27 minutes |
| (Co-op) l4d_airport05_runway | Wave | Expert | 8.63 minutes |
Blood Harvest (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_farm01_hilltop | Wave | Expert | 5.34 minutes |
| (Co-op) l4d_farm02_traintunnel | Wave | Expert | 5.63 minutes |
| (Co-op) l4d_farm03_bridge | Wave | Expert | 5.94 minutes |
| (Co-op) l4d_farm04_barn | Wave | Expert | 8.47 minutes |
| (Co-op) l4d_farm05_cornfield | Wave | Expert | 17.82 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | Wave | Expert | 5.63 minutes |
| (Co-op) l4d_airport02_offices | Wave | Expert | 10.53 minutes |
| (Co-op) l4d_airport03_garage | Wave | Expert | 20.16 minutes |
| (Co-op) l4d_airport04_terminal | Wave | Expert | 9.27 minutes |
| (Co-op) l4d_airport05_runway | Wave | Expert | 8.63 minutes |
| (Co-op) l4d_farm01_hilltop | Wave | Expert | 5.34 minutes |
| (Co-op) l4d_farm02_traintunnel | Wave | Expert | 5.63 minutes |
| (Co-op) l4d_farm03_bridge | Wave | Expert | 5.94 minutes |
| (Co-op) l4d_farm04_barn | Wave | Expert | 8.47 minutes |
| (Co-op) l4d_farm05_cornfield | Wave | Expert | 17.82 minutes |