Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | Wave | Expert | 4.26 minutes |
| (Co-op) l4d_airport02_offices | Wave | Expert | 9.68 minutes |
| (Co-op) l4d_airport03_garage | Wave | Expert | 9.26 minutes |
| (Co-op) l4d_airport04_terminal | Wave | Expert | 9.18 minutes |
Blood Harvest (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_farm01_hilltop | Wave | Expert | 3.48 minutes |
| (Co-op) l4d_farm02_traintunnel | Wave | Expert | 7.96 minutes |
| (Co-op) l4d_farm03_bridge | Wave | Expert | 6.10 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | Wave | Expert | 4.26 minutes |
| (Co-op) l4d_airport02_offices | Wave | Expert | 9.68 minutes |
| (Co-op) l4d_airport03_garage | Wave | Expert | 9.26 minutes |
| (Co-op) l4d_airport04_terminal | Wave | Expert | 9.18 minutes |
| (Co-op) l4d_farm01_hilltop | Wave | Expert | 3.48 minutes |
| (Co-op) l4d_farm02_traintunnel | Wave | Expert | 7.96 minutes |
| (Co-op) l4d_farm03_bridge | Wave | Expert | 6.10 minutes |