Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_airport01_greenhouse | [UA](3)i am noob | Normal | 3.56 minutes |
| (Co-op) l4d_airport02_offices | [UA](3)i am noob | Normal | 17.87 minutes |
| (Co-op) l4d_airport03_garage | [UA](3)i am noob | Normal | 12.57 minutes |
| (Co-op) l4d_airport04_terminal | [UA](3)i am noob | Normal | 6.89 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_airport01_greenhouse | [UA](3)i am noob | Normal | 3.56 minutes |
| (Co-op) l4d_airport02_offices | [UA](3)i am noob | Normal | 17.87 minutes |
| (Co-op) l4d_airport03_garage | [UA](3)i am noob | Normal | 12.57 minutes |
| (Co-op) l4d_airport04_terminal | [UA](3)i am noob | Normal | 6.89 minutes |