Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | NIETO | Normal | 2.28 minutes |
| (Co-op) l4d_airport02_offices | NIETO | Normal | 9.44 minutes |
| (Co-op) l4d_airport04_terminal | NIETO | Advanced | 6.10 minutes |
Death Toll (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_smalltown04_mainstreet | NIETO | Expert | 8.16 minutes |
| (Co-op) l4d_smalltown05_houseboat | NIETO | Expert | 12.81 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | NIETO | Normal | 2.28 minutes |
| (Co-op) l4d_airport02_offices | NIETO | Normal | 9.44 minutes |
| (Co-op) l4d_airport04_terminal | NIETO | Advanced | 6.10 minutes |
| (Co-op) l4d_smalltown04_mainstreet | NIETO | Expert | 8.16 minutes |
| (Co-op) l4d_smalltown05_houseboat | NIETO | Expert | 12.81 minutes |