Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | Multiwave | Advanced | 2.99 minutes |
| (Co-op) l4d_airport02_offices | Multiwave | Advanced | 6.51 minutes |
| (Co-op) l4d_airport03_garage | Multiwave | Advanced | 9.62 minutes |
| (Co-op) l4d_airport04_terminal | Multiwave | Advanced | 8.84 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | Multiwave | Advanced | 2.99 minutes |
| (Co-op) l4d_airport02_offices | Multiwave | Advanced | 6.51 minutes |
| (Co-op) l4d_airport03_garage | Multiwave | Advanced | 9.62 minutes |
| (Co-op) l4d_airport04_terminal | Multiwave | Advanced | 8.84 minutes |
| (Co-op) l4d_river01_docks | Multiwave | Advanced | 8.82 minutes |
| (Co-op) l4d_river01_docks | Multiwave | Advanced | 8.82 minutes |
| (Co-op) l4d_river02_barge | Multiwave | Advanced | 10.26 minutes |
| (Co-op) l4d_river02_barge | Multiwave | Advanced | 10.26 minutes |
| (Co-op) l4d_river03_port | Multiwave | Advanced | 10.85 minutes |
| (Co-op) l4d_river03_port | Multiwave | Advanced | 10.85 minutes |