Dead Air (L4D1)
| Map | Name | Difficulty | Time |
| (Co-op) l4d_airport02_offices | | Normal | 15.80 minutes |
| (Co-op) l4d_airport03_garage | | Normal | 13.45 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
| (Co-op) l4d_airport02_offices | | Normal | 15.80 minutes |
| (Co-op) l4d_airport03_garage | | Normal | 13.45 minutes |