| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | FLASHBACK | Expert | 49.46 seconds |
| (Co-op) l4d_airport01_greenhouse | FLASHBACK | Advanced | 34.05 seconds |
| (Co-op) l4d_airport01_greenhouse | FLASHBACK | Normal | 14.17 seconds |
| (Co-op) l4d_airport02_offices | FLASHBACK | Expert | 6.09 minutes |
| (Co-op) l4d_airport02_offices | FLASHBACK | Advanced | 6.11 minutes |
| (Co-op) l4d_airport02_offices | FLASHBACK | Normal | 11.80 seconds |
| (Co-op) l4d_airport03_garage | FLASHBACK | Expert | 7.27 minutes |
| (Co-op) l4d_airport03_garage | FLASHBACK | Advanced | 6.25 minutes |
| (Co-op) l4d_airport03_garage | FLASHBACK | Normal | 6.94 minutes |
| (Co-op) l4d_airport04_terminal | FLASHBACK | Expert | 4.25 minutes |
| (Co-op) l4d_airport04_terminal | FLASHBACK | Advanced | 1.20 minutes |
| (Co-op) l4d_airport04_terminal | FLASHBACK | Normal | 7.83 seconds |
| (Co-op) l4d_airport05_runway | FLASHBACK | Expert | 7.09 minutes |
| (Co-op) l4d_airport05_runway | FLASHBACK | Advanced | 5.66 minutes |
| (Co-op) l4d_airport05_runway | FLASHBACK | Normal | 9.49 minutes |
| (Co-op) l4d_farm01_hilltop | FLASHBACK | Expert | 3.15 seconds |
| (Co-op) l4d_farm01_hilltop | FLASHBACK | Advanced | 2.83 minutes |
| (Co-op) l4d_farm01_hilltop | FLASHBACK | Normal | 7.19 seconds |
| (Co-op) l4d_farm02_traintunnel | FLASHBACK | Expert | 5.68 seconds |
| (Co-op) l4d_farm02_traintunnel | FLASHBACK | Advanced | 3.95 minutes |
| (Co-op) l4d_farm02_traintunnel | FLASHBACK | Normal | 6.06 minutes |
| (Co-op) l4d_farm03_bridge | FLASHBACK | Expert | 5.80 minutes |
| (Co-op) l4d_farm03_bridge | FLASHBACK | Advanced | 16.88 seconds |
| (Co-op) l4d_farm03_bridge | FLASHBACK | Normal | 5.76 minutes |
| (Co-op) l4d_farm04_barn | FLASHBACK | Expert | 3.27 minutes |
| (Co-op) l4d_farm04_barn | FLASHBACK | Advanced | 3.60 minutes |
| (Co-op) l4d_farm04_barn | FLASHBACK | Normal | 5.48 minutes |
| (Co-op) l4d_farm05_cornfield | FLASHBACK | Expert | 9.12 minutes |
| (Co-op) l4d_farm05_cornfield | FLASHBACK | Advanced | 8.40 minutes |
| (Co-op) l4d_farm05_cornfield | FLASHBACK | Normal | 9.27 minutes |
| (Co-op) l4d_garage01_alleys | FLASHBACK | Expert | 13.84 seconds |
| (Co-op) l4d_garage01_alleys | FLASHBACK | Advanced | 11.46 seconds |
| (Co-op) l4d_garage01_alleys | FLASHBACK | Normal | 3.34 seconds |
| (Co-op) l4d_garage02_lots | FLASHBACK | Expert | 8.12 minutes |
| (Co-op) l4d_garage02_lots | FLASHBACK | Advanced | 9.49 minutes |
| (Co-op) l4d_garage02_lots | FLASHBACK | Normal | 10.59 minutes |
| (Co-op) l4d_hospital01_apartment | FLASHBACK | Expert | 1.85 seconds |
| (Co-op) l4d_hospital01_apartment | FLASHBACK | Advanced | 1.96 minutes |
| (Co-op) l4d_hospital01_apartment | FLASHBACK | Normal | 2.12 minutes |
| (Co-op) l4d_hospital02_subway | FLASHBACK | Expert | 5.89 minutes |
| (Co-op) l4d_hospital02_subway | FLASHBACK | Advanced | 1.07 minutes |
| (Co-op) l4d_hospital03_sewers | FLASHBACK | Expert | 5.43 minutes |
| (Co-op) l4d_hospital03_sewers | FLASHBACK | Advanced | 6.34 minutes |
| (Co-op) l4d_hospital04_interior | FLASHBACK | Expert | 5.20 minutes |
| (Co-op) l4d_hospital04_interior | FLASHBACK | Advanced | 4.87 minutes |
| (Co-op) l4d_hospital05_rooftop | FLASHBACK | Expert | 8.22 minutes |
| (Co-op) l4d_hospital05_rooftop | FLASHBACK | Advanced | 8.87 minutes |
| (Co-op) l4d_river01_docks | FLASHBACK | Expert | 3.20 seconds |
| (Co-op) l4d_river01_docks | FLASHBACK | Expert | 3.20 seconds |
| (Co-op) l4d_river01_docks | FLASHBACK | Advanced | 1.03 minutes |
| (Co-op) l4d_river01_docks | FLASHBACK | Advanced | 1.03 minutes |
| (Co-op) l4d_river01_docks | FLASHBACK | Normal | 34.51 seconds |
| (Co-op) l4d_river01_docks | FLASHBACK | Normal | 34.51 seconds |
| (Co-op) l4d_river02_barge | FLASHBACK | Expert | 6.80 minutes |
| (Co-op) l4d_river02_barge | FLASHBACK | Expert | 6.80 minutes |
| (Co-op) l4d_river02_barge | FLASHBACK | Advanced | 7.45 minutes |
| (Co-op) l4d_river02_barge | FLASHBACK | Advanced | 7.45 minutes |
| (Co-op) l4d_river02_barge | FLASHBACK | Normal | 7.42 minutes |
| (Co-op) l4d_river02_barge | FLASHBACK | Normal | 7.42 minutes |
| (Co-op) l4d_river03_port | FLASHBACK | Expert | 3.71 minutes |
| (Co-op) l4d_river03_port | FLASHBACK | Expert | 3.71 minutes |
| (Co-op) l4d_river03_port | FLASHBACK | Advanced | 8.37 minutes |
| (Co-op) l4d_river03_port | FLASHBACK | Advanced | 8.37 minutes |
| (Co-op) l4d_river03_port | FLASHBACK | Normal | 8.14 minutes |
| (Co-op) l4d_river03_port | FLASHBACK | Normal | 8.14 minutes |
| (Co-op) l4d_smalltown01_caves | FLASHBACK | Expert | 9.21 seconds |
| (Co-op) l4d_smalltown01_caves | FLASHBACK | Advanced | 27.31 seconds |
| (Co-op) l4d_smalltown01_caves | FLASHBACK | Normal | 55.19 seconds |
| (Co-op) l4d_smalltown02_drainage | FLASHBACK | Expert | 3.77 minutes |
| (Co-op) l4d_smalltown02_drainage | FLASHBACK | Advanced | 3.48 minutes |
| (Co-op) l4d_smalltown02_drainage | FLASHBACK | Normal | 4.84 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | FLASHBACK | Expert | 4.77 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | FLASHBACK | Advanced | 4.77 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | FLASHBACK | Normal | 6.52 minutes |
| (Co-op) l4d_smalltown04_mainstreet | FLASHBACK | Expert | 5.27 minutes |
| (Co-op) l4d_smalltown04_mainstreet | FLASHBACK | Advanced | 2.57 minutes |
| (Co-op) l4d_smalltown04_mainstreet | FLASHBACK | Normal | 7.70 minutes |
| (Co-op) l4d_smalltown05_houseboat | FLASHBACK | Expert | 9.50 minutes |
| (Co-op) l4d_smalltown05_houseboat | FLASHBACK | Advanced | 9.58 minutes |
| (Co-op) l4d_smalltown05_houseboat | FLASHBACK | Normal | 11.71 minutes |