Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_airport02_offices | [UA](1)i am noob | Normal | 10.25 minutes |
| (Co-op) l4d_airport03_garage | [UA](1)i am noob | Normal | 13.22 minutes |
| (Co-op) l4d_airport04_terminal | [UA](1)i am noob | Normal | 9.43 minutes |
| (Co-op) l4d_airport05_runway | [UA](1)i am noob | Normal | 6.92 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_airport02_offices | [UA](1)i am noob | Normal | 10.25 minutes |
| (Co-op) l4d_airport03_garage | [UA](1)i am noob | Normal | 13.22 minutes |
| (Co-op) l4d_airport04_terminal | [UA](1)i am noob | Normal | 9.43 minutes |
| (Co-op) l4d_airport05_runway | [UA](1)i am noob | Normal | 6.92 minutes |