Dead Air (L4D1)
| Map | Name | Difficulty | Time |
| (Co-op) l4d_airport02_offices | Het9tik | Normal | 9.45 minutes |
| (Co-op) l4d_airport03_garage | Het9tik | Normal | 8.66 minutes |
| (Co-op) l4d_airport04_terminal | Het9tik | Normal | 10.44 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
| (Co-op) l4d_airport02_offices | Het9tik | Normal | 9.45 minutes |
| (Co-op) l4d_airport03_garage | Het9tik | Normal | 8.66 minutes |
| (Co-op) l4d_airport04_terminal | Het9tik | Normal | 10.44 minutes |