No Mercy (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_hospital01_apartment | Stim | Normal | 3.42 minutes |
| (Co-op) l4d_hospital02_subway | Stim | Normal | 7.70 minutes |
| (Co-op) l4d_hospital03_sewers | Stim | Normal | 5.57 minutes |
| (Co-op) l4d_hospital04_interior | Stim | Normal | 4.63 minutes |
Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | Stim | Advanced | 2.89 minutes |
| (Co-op) l4d_airport02_offices | Stim | Advanced | 8.67 minutes |
| (Co-op) l4d_airport03_garage | Stim | Advanced | 7.52 minutes |
| (Co-op) l4d_airport04_terminal | Stim | Advanced | 6.08 minutes |
| (Co-op) l4d_airport05_runway | Stim | Advanced | 6.54 minutes |
Death Toll (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_smalltown01_caves | Stim | Advanced | 4.96 minutes |
| (Co-op) l4d_smalltown02_drainage | Stim | Advanced | 4.45 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | Stim | Advanced | 7.67 minutes |
| (Co-op) l4d_smalltown04_mainstreet | Stim | Advanced | 6.27 minutes |
| (Co-op) l4d_smalltown05_houseboat | Stim | Advanced | 7.99 minutes |
Crash Course (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_garage01_alleys | Stim | Normal | 6.85 minutes |
| (Co-op) l4d_garage02_lots | Stim | Normal | 9.73 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | Stim | Advanced | 2.89 minutes |
| (Co-op) l4d_airport02_offices | Stim | Advanced | 8.67 minutes |
| (Co-op) l4d_airport03_garage | Stim | Advanced | 7.52 minutes |
| (Co-op) l4d_airport04_terminal | Stim | Advanced | 6.08 minutes |
| (Co-op) l4d_airport05_runway | Stim | Advanced | 6.54 minutes |
| (Co-op) l4d_garage01_alleys | Stim | Normal | 6.85 minutes |
| (Co-op) l4d_garage02_lots | Stim | Normal | 9.73 minutes |
| (Co-op) l4d_hospital01_apartment | Stim | Normal | 3.42 minutes |
| (Co-op) l4d_hospital02_subway | Stim | Normal | 7.70 minutes |
| (Co-op) l4d_hospital03_sewers | Stim | Normal | 5.57 minutes |
| (Co-op) l4d_hospital04_interior | Stim | Normal | 4.63 minutes |
| (Co-op) l4d_river02_barge | Stim | Advanced | 12.57 minutes |
| (Co-op) l4d_river02_barge | Stim | Advanced | 12.57 minutes |
| (Co-op) l4d_river03_port | Stim | Advanced | 5.11 minutes |
| (Co-op) l4d_river03_port | Stim | Advanced | 5.11 minutes |
| (Co-op) l4d_smalltown01_caves | Stim | Advanced | 4.96 minutes |
| (Co-op) l4d_smalltown02_drainage | Stim | Advanced | 4.45 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | Stim | Advanced | 7.67 minutes |
| (Co-op) l4d_smalltown04_mainstreet | Stim | Advanced | 6.27 minutes |
| (Co-op) l4d_smalltown05_houseboat | Stim | Advanced | 7.99 minutes |