No Mercy
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_hospital01_apartment |  45 | Expert | 3.10 minutes |
| (Co-op) l4d_hospital01_apartment | 45 | Normal | 3.05 minutes |
| (Co-op) l4d_hospital02_subway | 45 | Expert | 7.96 minutes |
| (Co-op) l4d_hospital02_subway | 45 | Normal | 10.80 minutes |
| (Co-op) l4d_hospital03_sewers | 45 | Expert | 8.83 minutes |
| (Co-op) l4d_hospital03_sewers | 45 | Advanced | 6.98 minutes |
| (Co-op) l4d_hospital03_sewers | 45 | Normal | 8.84 minutes |
| (Co-op) l4d_hospital04_interior | 45 | Expert | 6.95 minutes |
| (Co-op) l4d_hospital04_interior | 45 | Advanced | 6.67 minutes |
| (Co-op) l4d_hospital04_interior | 45 | Normal | 8.23 minutes |
| (Co-op) l4d_hospital05_rooftop | 45 | Expert | 11.88 minutes |
| (Co-op) l4d_hospital05_rooftop | 45 | Advanced | 8.62 minutes |
| (Co-op) l4d_hospital05_rooftop | 45 | Normal | 11.43 minutes |
Dead Air
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_airport01_greenhouse | 45 | Expert | 5.90 minutes |
| (Co-op) l4d_airport01_greenhouse | 45 | Advanced | 2.01 minutes |
| (Co-op) l4d_airport01_greenhouse | 45 | Normal | 3.23 minutes |
| (Co-op) l4d_airport02_offices | 45 | Expert | 9.63 minutes |
| (Co-op) l4d_airport02_offices | 45 | Normal | 10.05 minutes |
| (Co-op) l4d_airport03_garage | 45 | Expert | 8.79 minutes |
| (Co-op) l4d_airport03_garage | 45 | Advanced | 30.11 minutes |
| (Co-op) l4d_airport03_garage | 45 | Normal | 10.64 minutes |
| (Co-op) l4d_airport04_terminal | 45 | Expert | 5.64 minutes |
| (Co-op) l4d_airport04_terminal | 45 | Advanced | 8.98 minutes |
| (Co-op) l4d_airport04_terminal | 45 | Normal | 5.09 minutes |
| (Co-op) l4d_airport05_runway | 45 | Expert | 8.52 minutes |
| (Co-op) l4d_airport05_runway | 45 | Normal | 7.64 minutes |
Death Toll
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_smalltown01_caves | 45 | Expert | 5.62 minutes |
| (Co-op) l4d_smalltown01_caves | 45 | Normal | 5.13 minutes |
| (Co-op) l4d_smalltown02_drainage | 45 | Expert | 4.55 minutes |
| (Co-op) l4d_smalltown02_drainage | 45 | Normal | 8.84 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | 45 | Expert | 8.36 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | 45 | Normal | 7.85 minutes |
| (Co-op) l4d_smalltown04_mainstreet | 45 | Expert | 8.40 minutes |
| (Co-op) l4d_smalltown04_mainstreet | 45 | Normal | 12.61 minutes |
| (Co-op) l4d_smalltown05_houseboat | 45 | Expert | 9.91 minutes |
| (Co-op) l4d_smalltown05_houseboat | 45 | Normal | 10.55 minutes |
Blood Harvest
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_farm01_hilltop | 45 | Normal | 4.26 minutes |
| (Co-op) l4d_farm02_traintunnel | 45 | Expert | 8.54 minutes |
| (Co-op) l4d_farm02_traintunnel | 45 | Normal | 4.54 minutes |
| (Co-op) l4d_farm03_bridge | 45 | Expert | 10.25 minutes |
| (Co-op) l4d_farm03_bridge | 45 | Normal | 6.86 minutes |
| (Co-op) l4d_farm04_barn | 45 | Expert | 9.16 minutes |
| (Co-op) l4d_farm04_barn | 45 | Normal | 5.69 minutes |
| (Co-op) l4d_farm05_cornfield | 45 | Normal | 11.90 minutes |
