Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport02_offices | R-O-M | Expert | 8.12 minutes |
| (Co-op) l4d_airport05_runway | R-O-M | Advanced | 8.24 minutes |
Blood Harvest (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_farm01_hilltop | R-O-M | Advanced | 5.56 minutes |
| (Co-op) l4d_farm02_traintunnel | R-O-M | Advanced | 9.07 minutes |
| (Co-op) l4d_farm03_bridge | R-O-M | Advanced | 9.16 minutes |
| (Co-op) l4d_farm04_barn | R-O-M | Advanced | 7.49 minutes |
| (Co-op) l4d_farm05_cornfield | R-O-M | Advanced | 11.47 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport02_offices | R-O-M | Expert | 8.12 minutes |
| (Co-op) l4d_airport05_runway | R-O-M | Advanced | 8.24 minutes |
| (Co-op) l4d_farm01_hilltop | R-O-M | Advanced | 5.56 minutes |
| (Co-op) l4d_farm02_traintunnel | R-O-M | Advanced | 9.07 minutes |
| (Co-op) l4d_farm03_bridge | R-O-M | Advanced | 9.16 minutes |
| (Co-op) l4d_farm04_barn | R-O-M | Advanced | 7.49 minutes |
| (Co-op) l4d_farm05_cornfield | R-O-M | Advanced | 11.47 minutes |