| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | ALEKS | Expert | 16.00 seconds |
| (Co-op) l4d_airport01_greenhouse | ALEKS | Advanced | 2.69 minutes |
| (Co-op) l4d_airport01_greenhouse | ALEKS | Normal | 2.30 minutes |
| (Co-op) l4d_airport02_offices | ALEKS | Expert | 6.26 minutes |
| (Co-op) l4d_airport02_offices | ALEKS | Advanced | 11.12 minutes |
| (Co-op) l4d_airport03_garage | ALEKS | Expert | 7.19 minutes |
| (Co-op) l4d_airport04_terminal | ALEKS | Expert | 4.74 minutes |
| (Co-op) l4d_airport04_terminal | ALEKS | Advanced | 6.21 minutes |
| (Co-op) l4d_airport05_runway | ALEKS | Expert | 6.93 minutes |
| (Co-op) l4d_airport05_runway | ALEKS | Advanced | 10.45 minutes |
| (Co-op) l4d_farm01_hilltop | ALEKS | Expert | 2.64 minutes |
| (Co-op) l4d_farm01_hilltop | ALEKS | Advanced | 4.47 minutes |
| (Co-op) l4d_farm02_traintunnel | ALEKS | Expert | 3.46 minutes |
| (Co-op) l4d_farm02_traintunnel | ALEKS | Advanced | 6.01 minutes |
| (Co-op) l4d_farm03_bridge | ALEKS | Expert | 4.83 minutes |
| (Co-op) l4d_farm03_bridge | ALEKS | Advanced | 40.26 seconds |
| (Co-op) l4d_farm03_bridge | ALEKS | Normal | 6.14 minutes |
| (Co-op) l4d_farm04_barn | ALEKS | Expert | 3.73 minutes |
| (Co-op) l4d_farm04_barn | ALEKS | Advanced | 6.37 minutes |
| (Co-op) l4d_farm05_cornfield | ALEKS | Expert | 8.28 minutes |
| (Co-op) l4d_farm05_cornfield | ALEKS | Advanced | 11.83 minutes |
| (Co-op) l4d_garage01_alleys | ALEKS | Expert | 2.46 seconds |
| (Co-op) l4d_garage01_alleys | ALEKS | Advanced | 38.84 seconds |
| (Co-op) l4d_garage02_lots | ALEKS | Expert | 9.87 minutes |
| (Co-op) l4d_garage02_lots | ALEKS | Advanced | 13.17 minutes |
| (Co-op) l4d_hospital01_apartment | ALEKS | Expert | 13.71 seconds |
| (Co-op) l4d_hospital01_apartment | ALEKS | Advanced | 1.92 minutes |
| (Co-op) l4d_hospital02_subway | ALEKS | Expert | 5.78 minutes |
| (Co-op) l4d_hospital02_subway | ALEKS | Advanced | 6.64 minutes |
| (Co-op) l4d_hospital03_sewers | ALEKS | Expert | 6.62 minutes |
| (Co-op) l4d_hospital03_sewers | ALEKS | Advanced | 6.91 minutes |
| (Co-op) l4d_hospital04_interior | ALEKS | Expert | 5.27 minutes |
| (Co-op) l4d_hospital04_interior | ALEKS | Advanced | 6.73 minutes |
| (Co-op) l4d_hospital05_rooftop | ALEKS | Expert | 8.40 minutes |
| (Co-op) l4d_hospital05_rooftop | ALEKS | Advanced | 7.66 minutes |
| (Co-op) l4d_river01_docks | ALEKS | Expert | 3.41 seconds |
| (Co-op) l4d_river01_docks | ALEKS | Expert | 3.41 seconds |
| (Co-op) l4d_river01_docks | ALEKS | Normal | 12.17 minutes |
| (Co-op) l4d_river01_docks | ALEKS | Normal | 12.17 minutes |
| (Co-op) l4d_river02_barge | ALEKS | Expert | 1.26 minutes |
| (Co-op) l4d_river02_barge | ALEKS | Expert | 1.26 minutes |
| (Co-op) l4d_river02_barge | ALEKS | Advanced | 9.26 minutes |
| (Co-op) l4d_river02_barge | ALEKS | Advanced | 9.26 minutes |
| (Co-op) l4d_river02_barge | ALEKS | Normal | 11.14 minutes |
| (Co-op) l4d_river02_barge | ALEKS | Normal | 11.14 minutes |
| (Co-op) l4d_river03_port | ALEKS | Expert | 7.08 minutes |
| (Co-op) l4d_river03_port | ALEKS | Expert | 7.08 minutes |
| (Co-op) l4d_river03_port | ALEKS | Advanced | 8.58 minutes |
| (Co-op) l4d_river03_port | ALEKS | Advanced | 8.58 minutes |
| (Co-op) l4d_smalltown01_caves | ALEKS | Expert | 12.91 seconds |
| (Co-op) l4d_smalltown01_caves | ALEKS | Advanced | 3.34 minutes |
| (Co-op) l4d_smalltown02_drainage | ALEKS | Expert | 3.75 minutes |
| (Co-op) l4d_smalltown02_drainage | ALEKS | Advanced | 6.86 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | ALEKS | Expert | 5.29 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | ALEKS | Advanced | 5.74 minutes |
| (Co-op) l4d_smalltown04_mainstreet | ALEKS | Expert | 5.48 minutes |
| (Co-op) l4d_smalltown04_mainstreet | ALEKS | Advanced | 6.42 minutes |
| (Co-op) l4d_smalltown05_houseboat | ALEKS | Expert | 9.20 minutes |
| (Co-op) l4d_smalltown05_houseboat | ALEKS | Advanced | 12.12 minutes |