No Mercy
Dead Air
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_airport01_greenhouse |  Viper | Normal | 5.80 minutes |
Death Toll
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_smalltown01_caves | Viper | Normal | 9.50 minutes |
| (Co-op) l4d_smalltown02_drainage | Viper | Normal | 6.54 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | Viper | Normal | 11.55 minutes |
| (Co-op) l4d_smalltown04_mainstreet | Viper | Normal | 15.03 minutes |
| (Co-op) l4d_smalltown05_houseboat | Viper | Normal | 14.51 minutes |
Blood Harvest
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_farm01_hilltop | Viper | Normal | 10.35 minutes |
Crash Course
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_garage02_lots | Viper | Normal | 16.73 minutes |
