Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport02_offices | D_Skull | Advanced | 13.55 minutes |
| (Co-op) l4d_airport03_garage | D_Skull | Advanced | 9.93 minutes |
| (Co-op) l4d_airport04_terminal | D_Skull | Advanced | 9.58 minutes |
Blood Harvest (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_farm01_hilltop | D_Skull | Advanced | 3.80 minutes |
| (Co-op) l4d_farm02_traintunnel | D_Skull | Advanced | 10.27 minutes |
| (Co-op) l4d_farm03_bridge | D_Skull | Advanced | 12.75 minutes |
| (Co-op) l4d_farm04_barn | D_Skull | Advanced | 6.45 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport02_offices | D_Skull | Advanced | 13.55 minutes |
| (Co-op) l4d_airport03_garage | D_Skull | Advanced | 9.93 minutes |
| (Co-op) l4d_airport04_terminal | D_Skull | Advanced | 9.58 minutes |
| (Co-op) l4d_farm01_hilltop | D_Skull | Advanced | 3.80 minutes |
| (Co-op) l4d_farm02_traintunnel | D_Skull | Advanced | 10.27 minutes |
| (Co-op) l4d_farm03_bridge | D_Skull | Advanced | 12.75 minutes |
| (Co-op) l4d_farm04_barn | D_Skull | Advanced | 6.45 minutes |