No Mercy
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_hospital03_sewers |  LimpBizkit_. | Expert | 10.54 minutes |
| (Co-op) l4d_hospital04_interior | LimpBizkit_. | Expert | 6.58 minutes |
| (Co-op) l4d_hospital05_rooftop | LimpBizkit_. | Expert | 7.99 minutes |
Dead Air
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_airport01_greenhouse | LimpBizkit_. | Expert | 3.69 minutes |
| (Co-op) l4d_airport02_offices | LimpBizkit_. | Expert | 10.05 minutes |
Death Toll
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_smalltown01_caves | LimpBizkit_. | Expert | 4.09 minutes |
| (Co-op) l4d_smalltown02_drainage | LimpBizkit_. | Expert | 6.97 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | LimpBizkit_. | Expert | 7.01 minutes |
| (Co-op) l4d_smalltown04_mainstreet | LimpBizkit_. | Expert | 10.77 minutes |
| (Co-op) l4d_smalltown05_houseboat | LimpBizkit_. | Expert | 9.28 minutes |
