Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport02_offices | Wave | Expert | 10.20 minutes |
| (Co-op) l4d_airport03_garage | Wave | Expert | 9.98 minutes |
| (Co-op) l4d_airport04_terminal | Wave | Expert | 8.53 minutes |
| (Co-op) l4d_airport05_runway | Wave | Expert | 7.09 minutes |
Death Toll (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_smalltown05_houseboat | Wave | Advanced | 18.00 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport02_offices | Wave | Expert | 10.20 minutes |
| (Co-op) l4d_airport03_garage | Wave | Expert | 9.98 minutes |
| (Co-op) l4d_airport04_terminal | Wave | Expert | 8.53 minutes |
| (Co-op) l4d_airport05_runway | Wave | Expert | 7.09 minutes |
| (Co-op) l4d_river02_barge | Wave | Expert | 14.99 minutes |
| (Co-op) l4d_river02_barge | Wave | Expert | 14.99 minutes |
| (Co-op) l4d_smalltown05_houseboat | Wave | Advanced | 18.00 minutes |