No Mercy
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_hospital02_subway |  mimi.harman2 | Advanced | 5.54 minutes |
| (Co-op) l4d_hospital03_sewers | mimi.harman2 | Advanced | 7.05 minutes |
| (Co-op) l4d_hospital04_interior | mimi.harman2 | Advanced | 6.32 minutes |
| (Co-op) l4d_hospital05_rooftop | mimi.harman2 | Advanced | 7.43 minutes |
Dead Air
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_airport04_terminal | mimi.harman2 | Advanced | 8.72 minutes |
| (Co-op) l4d_airport05_runway | mimi.harman2 | Advanced | 10.27 minutes |
Death Toll
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_smalltown01_caves | mimi.harman2 | Advanced | 4.40 minutes |
Blood Harvest
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_farm01_hilltop | mimi.harman2 | Advanced | 3.80 minutes |
| (Co-op) l4d_farm02_traintunnel | mimi.harman2 | Advanced | 7.21 minutes |
| (Co-op) l4d_farm03_bridge | mimi.harman2 | Advanced | 7.57 minutes |
| (Co-op) l4d_farm04_barn | mimi.harman2 | Advanced | 7.95 minutes |
| (Co-op) l4d_farm05_cornfield | mimi.harman2 | Advanced | 10.68 minutes |
Crash Course
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_garage01_alleys | mimi.harman2 | Advanced | 10.78 minutes |
| (Co-op) l4d_garage02_lots | mimi.harman2 | Advanced | 15.74 minutes |
