Dead Air
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_airport03_garage |  CARL JOHNSON | Normal | 8.63 minutes |
| (Co-op) l4d_airport05_runway | CARL JOHNSON | Advanced | 13.95 minutes |
Blood Harvest
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_farm01_hilltop | CARL JOHNSON | Advanced | 8.79 minutes |
| (Co-op) l4d_farm02_traintunnel | CARL JOHNSON | Advanced | 20.90 minutes |
| (Co-op) l4d_farm03_bridge | CARL JOHNSON | Advanced | 17.49 minutes |
