Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | NIETO | Expert | 3.35 minutes |
| (Co-op) l4d_airport02_offices | NIETO | Advanced | 8.63 minutes |
| (Co-op) l4d_airport04_terminal | NIETO | Advanced | 6.41 minutes |
| (Co-op) l4d_airport05_runway | NIETO | Advanced | 9.05 minutes |
Blood Harvest (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_farm01_hilltop | NIETO | Advanced | 3.67 minutes |
| (Co-op) l4d_farm02_traintunnel | NIETO | Advanced | 10.12 minutes |
| (Co-op) l4d_farm03_bridge | NIETO | Advanced | 9.07 minutes |
| (Co-op) l4d_farm04_barn | NIETO | Advanced | 7.12 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | NIETO | Expert | 3.35 minutes |
| (Co-op) l4d_airport02_offices | NIETO | Advanced | 8.63 minutes |
| (Co-op) l4d_airport04_terminal | NIETO | Advanced | 6.41 minutes |
| (Co-op) l4d_airport05_runway | NIETO | Advanced | 9.05 minutes |
| (Co-op) l4d_farm01_hilltop | NIETO | Advanced | 3.67 minutes |
| (Co-op) l4d_farm02_traintunnel | NIETO | Advanced | 10.12 minutes |
| (Co-op) l4d_farm03_bridge | NIETO | Advanced | 9.07 minutes |
| (Co-op) l4d_farm04_barn | NIETO | Advanced | 7.12 minutes |
| (Co-op) l4d_river02_barge | NIETO | Advanced | 8.84 minutes |
| (Co-op) l4d_river02_barge | NIETO | Advanced | 8.84 minutes |
| (Co-op) l4d_river03_port | NIETO | Expert | 10.59 minutes |
| (Co-op) l4d_river03_port | NIETO | Expert | 10.59 minutes |
| (Co-op) l4d_river03_port | NIETO | Advanced | 9.76 minutes |
| (Co-op) l4d_river03_port | NIETO | Advanced | 9.76 minutes |