Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | BIGSHO | Normal | 5.91 minutes |
| (Co-op) l4d_airport02_offices | BIGSHO | Normal | 19.93 minutes |
| (Co-op) l4d_airport03_garage | BIGSHO | Normal | 26.75 minutes |
| (Co-op) l4d_airport04_terminal | BIGSHO | Normal | 19.25 minutes |
| (Co-op) l4d_airport05_runway | BIGSHO | Normal | 12.22 minutes |