Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | zzlaata
| Normal | 2.44 minutes |
| (Co-op) l4d_airport02_offices | zzlaata
| Normal | 6.33 minutes |
| (Co-op) l4d_airport05_runway | zzlaata
| Advanced | 6.94 minutes |
Blood Harvest (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_farm01_hilltop | zzlaata
| Advanced | 3.77 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | zzlaata
| Normal | 2.44 minutes |
| (Co-op) l4d_airport02_offices | zzlaata
| Normal | 6.33 minutes |
| (Co-op) l4d_airport05_runway | zzlaata
| Advanced | 6.94 minutes |
| (Co-op) l4d_farm01_hilltop | zzlaata
| Advanced | 3.77 minutes |