Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | NIETO | Expert | 2.67 minutes |
| (Co-op) l4d_airport02_offices | NIETO | Expert | 7.97 minutes |
| (Co-op) l4d_airport03_garage | NIETO | Expert | 7.97 minutes |
| (Co-op) l4d_airport04_terminal | NIETO | Expert | 7.31 minutes |
| (Co-op) l4d_airport05_runway | NIETO | Expert | 10.02 minutes |
Death Toll (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_smalltown01_caves | NIETO | Expert | 32.22 seconds |
| (Co-op) l4d_smalltown02_drainage | NIETO | Expert | 5.42 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | NIETO | Expert | 6.99 minutes |
| (Co-op) l4d_smalltown04_mainstreet | NIETO | Expert | 7.04 minutes |
| (Co-op) l4d_smalltown05_houseboat | NIETO | Expert | 12.44 minutes |
Blood Harvest (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_farm01_hilltop | NIETO | Expert | 6.07 minutes |
| (Co-op) l4d_farm02_traintunnel | NIETO | Expert | 6.17 minutes |
| (Co-op) l4d_farm03_bridge | NIETO | Expert | 11.85 minutes |
| (Co-op) l4d_farm04_barn | NIETO | Expert | 6.86 minutes |
| (Co-op) l4d_farm05_cornfield | NIETO | Expert | 16.41 minutes |
Crash Course (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_garage01_alleys | NIETO | Expert | 12.87 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | NIETO | Expert | 2.67 minutes |
| (Co-op) l4d_airport02_offices | NIETO | Expert | 7.97 minutes |
| (Co-op) l4d_airport03_garage | NIETO | Expert | 7.97 minutes |
| (Co-op) l4d_airport04_terminal | NIETO | Expert | 7.31 minutes |
| (Co-op) l4d_airport05_runway | NIETO | Expert | 10.02 minutes |
| (Co-op) l4d_farm01_hilltop | NIETO | Expert | 6.07 minutes |
| (Co-op) l4d_farm02_traintunnel | NIETO | Expert | 6.17 minutes |
| (Co-op) l4d_farm03_bridge | NIETO | Expert | 11.85 minutes |
| (Co-op) l4d_farm04_barn | NIETO | Expert | 6.86 minutes |
| (Co-op) l4d_farm05_cornfield | NIETO | Expert | 16.41 minutes |
| (Co-op) l4d_garage01_alleys | NIETO | Expert | 12.87 minutes |
| (Co-op) l4d_river01_docks | NIETO | Expert | 14.13 minutes |
| (Co-op) l4d_river01_docks | NIETO | Expert | 14.13 minutes |
| (Co-op) l4d_river02_barge | NIETO | Expert | 7.39 minutes |
| (Co-op) l4d_river02_barge | NIETO | Expert | 7.39 minutes |
| (Co-op) l4d_river03_port | NIETO | Expert | 10.30 minutes |
| (Co-op) l4d_river03_port | NIETO | Expert | 10.30 minutes |
| (Co-op) l4d_smalltown01_caves | NIETO | Expert | 32.22 seconds |
| (Co-op) l4d_smalltown02_drainage | NIETO | Expert | 5.42 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | NIETO | Expert | 6.99 minutes |
| (Co-op) l4d_smalltown04_mainstreet | NIETO | Expert | 7.04 minutes |
| (Co-op) l4d_smalltown05_houseboat | NIETO | Expert | 12.44 minutes |