No Mercy
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_hospital02_subway |  Billy Pilgrim | Normal | 6.39 minutes |
| (Co-op) l4d_hospital03_sewers | Billy Pilgrim | Normal | 6.73 minutes |
| (Co-op) l4d_hospital04_interior | Billy Pilgrim | Normal | 5.43 minutes |
| (Co-op) l4d_hospital05_rooftop | Billy Pilgrim | Advanced | 7.48 minutes |
| (Co-op) l4d_hospital05_rooftop | Billy Pilgrim | Normal | 7.09 minutes |
Dead Air
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_airport02_offices | Billy Pilgrim | Normal | 14.35 minutes |
| (Co-op) l4d_airport03_garage | Billy Pilgrim | Normal | 12.10 minutes |
| (Co-op) l4d_airport04_terminal | Billy Pilgrim | Normal | 6.00 minutes |
| (Co-op) l4d_airport05_runway | Billy Pilgrim | Normal | 14.13 minutes |
Death Toll
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_smalltown05_houseboat | Billy Pilgrim | Normal | 15.25 minutes |
Blood Harvest
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_farm03_bridge | Billy Pilgrim | Normal | 4.01 minutes |
| (Co-op) l4d_farm04_barn | Billy Pilgrim | Normal | 3.26 minutes |
| (Co-op) l4d_farm05_cornfield | Billy Pilgrim | Normal | 9.33 minutes |
Crash Course
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_garage02_lots | Billy Pilgrim | Normal | 9.81 minutes |
