No Mercy
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_hospital02_subway |  _REAL_GEN_ | Expert | 7.78 minutes |
| (Co-op) l4d_hospital03_sewers | _REAL_GEN_ | Expert | 7.36 minutes |
| (Co-op) l4d_hospital04_interior | _REAL_GEN_ | Expert | 5.83 minutes |
| (Co-op) l4d_hospital05_rooftop | _REAL_GEN_ | Expert | 7.34 minutes |
Dead Air
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_airport02_offices | _REAL_GEN_ | Expert | 14.38 minutes |
| (Co-op) l4d_airport03_garage | _REAL_GEN_ | Expert | 11.41 minutes |
| (Co-op) l4d_airport04_terminal | _REAL_GEN_ | Expert | 11.16 minutes |
Death Toll
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_smalltown01_caves | _REAL_GEN_ | Expert | 3.98 minutes |
| (Co-op) l4d_smalltown02_drainage | _REAL_GEN_ | Expert | 5.82 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | _REAL_GEN_ | Expert | 7.83 minutes |
| (Co-op) l4d_smalltown04_mainstreet | _REAL_GEN_ | Expert | 11.84 minutes |
| (Co-op) l4d_smalltown05_houseboat | _REAL_GEN_ | Expert | 8.95 minutes |
Crash Course
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_garage01_alleys | _REAL_GEN_ | Expert | 11.16 minutes |
| (Co-op) l4d_garage01_alleys | _REAL_GEN_ | Normal | 9.53 minutes |
| (Co-op) l4d_garage02_lots | _REAL_GEN_ | Expert | 12.95 minutes |
