No Mercy
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_hospital02_subway |  Bo[$]s | Normal | 7.23 minutes |
Dead Air
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_airport01_greenhouse | Bo[$]s | Normal | 1.80 minutes |
| (Co-op) l4d_airport02_offices | Bo[$]s | Expert | 22.30 minutes |
| (Co-op) l4d_airport02_offices | Bo[$]s | Normal | 9.73 minutes |
| (Co-op) l4d_airport03_garage | Bo[$]s | Normal | 15.70 minutes |
| (Co-op) l4d_airport04_terminal | Bo[$]s | Normal | 6.73 minutes |
| (Co-op) l4d_airport05_runway | Bo[$]s | Normal | 5.29 minutes |
Death Toll
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_smalltown01_caves | Bo[$]s | Normal | 4.11 minutes |
| (Co-op) l4d_smalltown02_drainage | Bo[$]s | Normal | 3.86 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | Bo[$]s | Normal | 5.76 minutes |
| (Co-op) l4d_smalltown04_mainstreet | Bo[$]s | Normal | 4.58 minutes |
| (Co-op) l4d_smalltown05_houseboat | Bo[$]s | Normal | 7.60 minutes |
Blood Harvest
Crash Course
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_garage01_alleys | Bo[$]s | Normal | 10.94 minutes |
