No Mercy
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_hospital01_apartment |  kfrobertson89 | Normal | 1.88 minutes |
| (Co-op) l4d_hospital02_subway | kfrobertson89 | Normal | 5.29 minutes |
| (Co-op) l4d_hospital03_sewers | kfrobertson89 | Expert | 6.97 minutes |
| (Co-op) l4d_hospital03_sewers | kfrobertson89 | Normal | 5.82 minutes |
| (Co-op) l4d_hospital04_interior | kfrobertson89 | Expert | 6.24 minutes |
| (Co-op) l4d_hospital04_interior | kfrobertson89 | Normal | 4.24 minutes |
| (Co-op) l4d_hospital05_rooftop | kfrobertson89 | Expert | 10.14 minutes |
| (Co-op) l4d_hospital05_rooftop | kfrobertson89 | Normal | 7.82 minutes |
Dead Air
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_airport01_greenhouse | kfrobertson89 | Advanced | 4.99 minutes |
| (Co-op) l4d_airport01_greenhouse | kfrobertson89 | Normal | 3.41 minutes |
| (Co-op) l4d_airport02_offices | kfrobertson89 | Advanced | 10.95 minutes |
| (Co-op) l4d_airport02_offices | kfrobertson89 | Normal | 5.43 minutes |
| (Co-op) l4d_airport03_garage | kfrobertson89 | Advanced | 14.01 minutes |
| (Co-op) l4d_airport03_garage | kfrobertson89 | Normal | 4.63 minutes |
| (Co-op) l4d_airport04_terminal | kfrobertson89 | Advanced | 11.18 minutes |
| (Co-op) l4d_airport04_terminal | kfrobertson89 | Normal | 2.06 minutes |
| (Co-op) l4d_airport05_runway | kfrobertson89 | Advanced | 9.90 minutes |
| (Co-op) l4d_airport05_runway | kfrobertson89 | Normal | 5.59 minutes |
Death Toll
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_smalltown01_caves | kfrobertson89 | Normal | 2.36 minutes |
| (Co-op) l4d_smalltown02_drainage | kfrobertson89 | Expert | 7.07 minutes |
| (Co-op) l4d_smalltown02_drainage | kfrobertson89 | Advanced | 6.37 minutes |
| (Co-op) l4d_smalltown02_drainage | kfrobertson89 | Normal | 4.39 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | kfrobertson89 | Expert | 8.34 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | kfrobertson89 | Normal | 6.04 minutes |
| (Co-op) l4d_smalltown04_mainstreet | kfrobertson89 | Expert | 9.90 minutes |
| (Co-op) l4d_smalltown04_mainstreet | kfrobertson89 | Normal | 4.62 minutes |
| (Co-op) l4d_smalltown05_houseboat | kfrobertson89 | Expert | 14.88 minutes |
| (Co-op) l4d_smalltown05_houseboat | kfrobertson89 | Advanced | 12.85 minutes |
| (Co-op) l4d_smalltown05_houseboat | kfrobertson89 | Normal | 8.85 minutes |
Blood Harvest
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_farm01_hilltop | kfrobertson89 | Advanced | 53.44 seconds |
| (Co-op) l4d_farm01_hilltop | kfrobertson89 | Normal | 3.03 minutes |
| (Co-op) l4d_farm02_traintunnel | kfrobertson89 | Advanced | 5.02 minutes |
| (Co-op) l4d_farm02_traintunnel | kfrobertson89 | Normal | 3.52 minutes |
| (Co-op) l4d_farm03_bridge | kfrobertson89 | Advanced | 5.52 minutes |
| (Co-op) l4d_farm03_bridge | kfrobertson89 | Normal | 5.82 minutes |
| (Co-op) l4d_farm04_barn | kfrobertson89 | Advanced | 3.01 minutes |
| (Co-op) l4d_farm04_barn | kfrobertson89 | Normal | 3.79 minutes |
| (Co-op) l4d_farm05_cornfield | kfrobertson89 | Advanced | 10.43 minutes |
| (Co-op) l4d_farm05_cornfield | kfrobertson89 | Normal | 8.10 minutes |
Crash Course
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_garage01_alleys | kfrobertson89 | Normal | 7.65 minutes |
| (Co-op) l4d_garage02_lots | kfrobertson89 | Normal | 7.43 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_vs_hospital02_subway | kfrobertson89 | Normal | 4.37 minutes |
