No Mercy
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_hospital01_apartment |  killer | Advanced | 6.44 minutes |
| (Co-op) l4d_hospital02_subway | killer | Advanced | 12.93 minutes |
| (Co-op) l4d_hospital02_subway | killer | Normal | 27.16 minutes |
| (Co-op) l4d_hospital03_sewers | killer | Normal | 4.58 minutes |
| (Co-op) l4d_hospital04_interior | killer | Normal | 7.03 minutes |
| (Co-op) l4d_hospital05_rooftop | killer | Advanced | 13.86 minutes |
| (Co-op) l4d_hospital05_rooftop | killer | Normal | 9.82 minutes |
Dead Air
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_airport01_greenhouse | killer | Normal | 2.95 minutes |
| (Co-op) l4d_airport02_offices | killer | Normal | 10.72 minutes |
| (Co-op) l4d_airport03_garage | killer | Advanced | 11.01 minutes |
| (Co-op) l4d_airport03_garage | killer | Normal | 7.10 minutes |
| (Co-op) l4d_airport04_terminal | killer | Expert | 6.88 minutes |
| (Co-op) l4d_airport04_terminal | killer | Normal | 4.75 minutes |
| (Co-op) l4d_airport05_runway | killer | Normal | 6.56 minutes |
Death Toll
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_smalltown01_caves | killer | Advanced | 4.99 minutes |
| (Co-op) l4d_smalltown01_caves | killer | Normal | 4.81 minutes |
| (Co-op) l4d_smalltown02_drainage | killer | Advanced | 9.50 minutes |
| (Co-op) l4d_smalltown02_drainage | killer | Normal | 6.42 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | killer | Advanced | 9.06 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | killer | Normal | 6.32 minutes |
| (Co-op) l4d_smalltown04_mainstreet | killer | Advanced | 8.41 minutes |
| (Co-op) l4d_smalltown04_mainstreet | killer | Normal | 8.17 minutes |
| (Co-op) l4d_smalltown05_houseboat | killer | Advanced | 10.07 minutes |
| (Co-op) l4d_smalltown05_houseboat | killer | Normal | 11.91 minutes |
Blood Harvest
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_farm01_hilltop | killer | Normal | 3.50 minutes |
| (Co-op) l4d_farm02_traintunnel | killer | Normal | 5.76 minutes |
| (Co-op) l4d_farm03_bridge | killer | Normal | 4.64 minutes |
| (Co-op) l4d_farm04_barn | killer | Advanced | 7.43 minutes |
| (Co-op) l4d_farm04_barn | killer | Normal | 4.76 minutes |
| (Co-op) l4d_farm05_cornfield | killer | Advanced | 13.14 minutes |
| (Co-op) l4d_farm05_cornfield | killer | Normal | 11.17 minutes |
Crash Course
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_garage01_alleys | killer | Normal | 9.28 minutes |
