No Mercy
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_hospital02_subway |  killswitch2289 | Advanced | 9.06 minutes |
| (Co-op) l4d_hospital03_sewers | killswitch2289 | Advanced | 9.23 minutes |
| (Co-op) l4d_hospital04_interior | killswitch2289 | Advanced | 7.24 minutes |
| (Co-op) l4d_hospital05_rooftop | killswitch2289 | Advanced | 7.61 minutes |
Dead Air
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_airport01_greenhouse | killswitch2289 | Advanced | 5.11 minutes |
| (Co-op) l4d_airport02_offices | killswitch2289 | Advanced | 17.78 minutes |
Death Toll
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_smalltown01_caves | killswitch2289 | Advanced | 6.87 minutes |
| (Co-op) l4d_smalltown02_drainage | killswitch2289 | Advanced | 5.47 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | killswitch2289 | Advanced | 6.86 minutes |
| (Co-op) l4d_smalltown04_mainstreet | killswitch2289 | Advanced | 10.33 minutes |
| (Co-op) l4d_smalltown05_houseboat | killswitch2289 | Advanced | 9.20 minutes |
Crash Course
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_garage01_alleys | killswitch2289 | Advanced | 8.60 minutes |
| (Co-op) l4d_garage02_lots | killswitch2289 | Advanced | 13.99 minutes |
