Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | 1996 | Advanced | 2.52 minutes |
| (Co-op) l4d_airport02_offices | 1996 | Advanced | 6.61 minutes |
| (Co-op) l4d_airport03_garage | 1996 | Advanced | 10.21 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | 1996 | Advanced | 2.52 minutes |
| (Co-op) l4d_airport02_offices | 1996 | Advanced | 6.61 minutes |
| (Co-op) l4d_airport03_garage | 1996 | Advanced | 10.21 minutes |
| (Co-op) l4d_river02_barge | 1996 | Advanced | 9.25 minutes |
| (Co-op) l4d_river02_barge | 1996 | Advanced | 9.25 minutes |
| (Co-op) l4d_river03_port | 1996 | Advanced | 8.28 minutes |
| (Co-op) l4d_river03_port | 1996 | Advanced | 8.28 minutes |