No Mercy
| Map | Name | plays | Difficulty | Time |
|---|---|---|---|---|
| l4d_hospital01_apartment |  io | 1 | Normal | 2.97 minutes |
| l4d_hospital02_subway | io | 2 | Normal | 5.98 minutes |
| l4d_hospital02_subway | io | 1 | Advanced | 9.87 minutes |
| l4d_hospital02_subway | io | 1 | Expert | 10.26 minutes |
| l4d_hospital03_sewers | io | 1 | Normal | 6.16 minutes |
| l4d_hospital03_sewers | io | 2 | Advanced | 8.56 minutes |
| l4d_hospital03_sewers | io | 1 | Expert | 10.18 minutes |
| l4d_hospital04_interior | io | 2 | Advanced | 5.93 minutes |
| l4d_hospital04_interior | io | 1 | Normal | 6.70 minutes |
| l4d_hospital04_interior | io | 1 | Expert | 8.15 minutes |
| l4d_hospital05_rooftop | io | 2 | Advanced | 6.64 minutes |
| l4d_hospital05_rooftop | io | 2 | Expert | 6.76 minutes |
Dead Air
| Map | Name | plays | Difficulty | Time |
|---|---|---|---|---|
| l4d_airport02_offices | io | 2 | Advanced | 8.65 minutes |
| l4d_airport02_offices | io | 1 | Expert | 11.76 minutes |
| l4d_airport03_garage | io | 1 | Normal | 9.26 minutes |
| l4d_airport03_garage | io | 2 | Advanced | 9.32 minutes |
| l4d_airport04_terminal | io | 2 | Normal | 5.10 minutes |
| l4d_airport04_terminal | io | 2 | Advanced | 6.28 minutes |
| l4d_airport05_runway | io | 2 | Normal | 6.34 minutes |
| l4d_airport05_runway | io | 1 | Advanced | 8.37 minutes |
Death Toll
Blood Harvest
| Map | Name | plays | Difficulty | Time |
|---|---|---|---|---|
| l4d_farm01_hilltop | io | 1 | Expert | 4.25 minutes |
| l4d_farm02_traintunnel | io | 2 | Expert | 4.21 minutes |
| l4d_farm02_traintunnel | io | 1 | Advanced | 6.70 minutes |
| l4d_farm02_traintunnel | io | 1 | Normal | 6.79 minutes |
| l4d_farm03_bridge | io | 2 | Expert | 5.13 minutes |
| l4d_farm03_bridge | io | 1 | Normal | 5.51 minutes |
| l4d_farm03_bridge | io | 1 | Advanced | 8.71 minutes |
| l4d_farm04_barn | io | 1 | Normal | 3.38 minutes |
| l4d_farm04_barn | io | 2 | Expert | 3.88 minutes |
| l4d_farm04_barn | io | 1 | Advanced | 5.43 minutes |
| l4d_farm05_cornfield | io | 3 | Advanced | 9.25 minutes |
| l4d_farm05_cornfield | io | 1 | Normal | 9.46 minutes |
Crash Course
The Sacrifice
| Map | Name | plays | Difficulty | Time |
|---|---|---|---|---|
| l4d_river01_docks | io | 1 | Normal | 8.45 minutes |
| l4d_river01_docks | io | 2 | Advanced | 10.18 minutes |
| l4d_river02_barge | io | 1 | Normal | 8.41 minutes |
| l4d_river02_barge | io | 5 | Advanced | 9.13 minutes |
| l4d_river02_barge | io | 3 | Expert | 9.51 minutes |
| l4d_river03_port | io | 2 | Expert | 4.90 minutes |
| l4d_river03_port | io | 1 | Normal | 5.02 minutes |
| l4d_river03_port | io | 5 | Advanced | 5.74 minutes |
