No Mercy
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_hospital01_apartment |  Maj. Problem | Expert | 2.45 minutes |
| (Co-op) l4d_hospital02_subway | Maj. Problem | Expert | 9.32 minutes |
| (Co-op) l4d_hospital02_subway | Maj. Problem | Advanced | 8.04 minutes |
| (Co-op) l4d_hospital03_sewers | Maj. Problem | Expert | 5.65 minutes |
| (Co-op) l4d_hospital03_sewers | Maj. Problem | Advanced | 11.31 minutes |
| (Co-op) l4d_hospital04_interior | Maj. Problem | Expert | 6.41 minutes |
| (Co-op) l4d_hospital04_interior | Maj. Problem | Advanced | 5.67 minutes |
| (Co-op) l4d_hospital05_rooftop | Maj. Problem | Expert | 8.76 minutes |
| (Co-op) l4d_hospital05_rooftop | Maj. Problem | Advanced | 9.09 minutes |
Dead Air
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_airport01_greenhouse | Maj. Problem | Advanced | 2.59 minutes |
| (Co-op) l4d_airport03_garage | Maj. Problem | Advanced | 10.40 minutes |
| (Co-op) l4d_airport04_terminal | Maj. Problem | Advanced | 5.50 minutes |
| (Co-op) l4d_airport05_runway | Maj. Problem | Advanced | 6.19 minutes |
Death Toll
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_smalltown01_caves | Maj. Problem | Advanced | 3.91 minutes |
| (Co-op) l4d_smalltown02_drainage | Maj. Problem | Expert | 5.73 minutes |
| (Co-op) l4d_smalltown02_drainage | Maj. Problem | Advanced | 6.55 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | Maj. Problem | Expert | 10.98 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | Maj. Problem | Advanced | 9.58 minutes |
| (Co-op) l4d_smalltown04_mainstreet | Maj. Problem | Advanced | 10.77 minutes |
| (Co-op) l4d_smalltown05_houseboat | Maj. Problem | Advanced | 11.71 minutes |
Blood Harvest
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_farm01_hilltop | Maj. Problem | Advanced | 4.31 minutes |
| (Co-op) l4d_farm01_hilltop | Maj. Problem | Normal | 2.57 minutes |
| (Co-op) l4d_farm02_traintunnel | Maj. Problem | Advanced | 3.74 minutes |
| (Co-op) l4d_farm02_traintunnel | Maj. Problem | Normal | 5.54 minutes |
| (Co-op) l4d_farm03_bridge | Maj. Problem | Expert | 7.62 minutes |
| (Co-op) l4d_farm03_bridge | Maj. Problem | Normal | 5.03 minutes |
| (Co-op) l4d_farm04_barn | Maj. Problem | Expert | 3.66 minutes |
| (Co-op) l4d_farm05_cornfield | Maj. Problem | Expert | 9.15 minutes |
Crash Course
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_garage02_lots | Maj. Problem | Expert | 15.63 minutes |
