No Mercy
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_hospital02_subway |  Abstraction | Expert | 9.91 minutes |
| (Co-op) l4d_hospital03_sewers | Abstraction | Expert | 7.01 minutes |
| (Co-op) l4d_hospital03_sewers | Abstraction | Advanced | 6.34 minutes |
| (Co-op) l4d_hospital04_interior | Abstraction | Expert | 5.23 minutes |
| (Co-op) l4d_hospital04_interior | Abstraction | Advanced | 5.43 minutes |
| (Co-op) l4d_hospital05_rooftop | Abstraction | Expert | 7.26 minutes |
| (Co-op) l4d_hospital05_rooftop | Abstraction | Advanced | 6.57 minutes |
Dead Air
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_airport04_terminal | Abstraction | Advanced | 4.13 minutes |
| (Co-op) l4d_airport05_runway | Abstraction | Advanced | 7.23 minutes |
Death Toll
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_smalltown01_caves | Abstraction | Expert | 5.82 minutes |
| (Co-op) l4d_smalltown02_drainage | Abstraction | Expert | 5.14 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | Abstraction | Expert | 7.83 minutes |
| (Co-op) l4d_smalltown04_mainstreet | Abstraction | Expert | 4.29 minutes |
| (Co-op) l4d_smalltown05_houseboat | Abstraction | Expert | 10.63 minutes |
Blood Harvest
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_farm01_hilltop | Abstraction | Advanced | 3.73 minutes |
| (Co-op) l4d_farm02_traintunnel | Abstraction | Advanced | 5.16 minutes |
| (Co-op) l4d_farm03_bridge | Abstraction | Advanced | 7.35 minutes |
| (Co-op) l4d_farm04_barn | Abstraction | Advanced | 5.35 minutes |
| (Co-op) l4d_farm05_cornfield | Abstraction | Advanced | 8.32 minutes |
