Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport02_offices | NIETO | Expert | 11.70 minutes |
| (Co-op) l4d_airport03_garage | NIETO | Expert | 9.98 minutes |
| (Co-op) l4d_airport04_terminal | NIETO | Expert | 8.09 minutes |
| (Co-op) l4d_airport05_runway | NIETO | Expert | 9.26 minutes |
Blood Harvest (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_farm01_hilltop | NIETO | Expert | 5.17 minutes |
| (Co-op) l4d_farm02_traintunnel | NIETO | Expert | 5.55 minutes |
| (Co-op) l4d_farm03_bridge | NIETO | Expert | 9.20 minutes |
| (Co-op) l4d_farm04_barn | NIETO | Expert | 10.78 minutes |
| (Co-op) l4d_farm05_cornfield | NIETO | Expert | 16.11 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport02_offices | NIETO | Expert | 11.70 minutes |
| (Co-op) l4d_airport03_garage | NIETO | Expert | 9.98 minutes |
| (Co-op) l4d_airport04_terminal | NIETO | Expert | 8.09 minutes |
| (Co-op) l4d_airport05_runway | NIETO | Expert | 9.26 minutes |
| (Co-op) l4d_farm01_hilltop | NIETO | Expert | 5.17 minutes |
| (Co-op) l4d_farm02_traintunnel | NIETO | Expert | 5.55 minutes |
| (Co-op) l4d_farm03_bridge | NIETO | Expert | 9.20 minutes |
| (Co-op) l4d_farm04_barn | NIETO | Expert | 10.78 minutes |
| (Co-op) l4d_farm05_cornfield | NIETO | Expert | 16.11 minutes |