| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | Oks | Expert | 2.93 minutes |
| (Co-op) l4d_airport01_greenhouse | Oks | Advanced | 2.60 minutes |
| (Co-op) l4d_airport02_offices | Oks | Expert | 9.19 minutes |
| (Co-op) l4d_airport02_offices | Oks | Advanced | 7.43 minutes |
| (Co-op) l4d_airport03_garage | Oks | Expert | 11.22 minutes |
| (Co-op) l4d_airport03_garage | Oks | Advanced | 9.30 minutes |
| (Co-op) l4d_airport04_terminal | Oks | Expert | 8.44 minutes |
| (Co-op) l4d_airport04_terminal | Oks | Advanced | 6.54 minutes |
| (Co-op) l4d_airport05_runway | Oks | Expert | 11.48 minutes |
| (Co-op) l4d_airport05_runway | Oks | Advanced | 10.11 minutes |
| (Co-op) l4d_farm01_hilltop | Oks | Expert | 5.47 minutes |
| (Co-op) l4d_farm01_hilltop | Oks | Advanced | 3.20 minutes |
| (Co-op) l4d_farm02_traintunnel | Oks | Expert | 12.47 minutes |
| (Co-op) l4d_farm02_traintunnel | Oks | Advanced | 5.84 minutes |
| (Co-op) l4d_farm03_bridge | Oks | Expert | 5.80 minutes |
| (Co-op) l4d_farm03_bridge | Oks | Advanced | 8.90 minutes |
| (Co-op) l4d_farm04_barn | Oks | Expert | 3.27 minutes |
| (Co-op) l4d_farm04_barn | Oks | Advanced | 4.19 minutes |
| (Co-op) l4d_farm05_cornfield | Oks | Expert | 11.02 minutes |
| (Co-op) l4d_farm05_cornfield | Oks | Advanced | 9.72 minutes |
| (Co-op) l4d_garage01_alleys | Oks | Expert | 13.70 minutes |
| (Co-op) l4d_garage01_alleys | Oks | Advanced | 18.05 seconds |
| (Co-op) l4d_garage02_lots | Oks | Expert | 13.78 minutes |
| (Co-op) l4d_garage02_lots | Oks | Advanced | 19.30 minutes |
| (Co-op) l4d_hospital01_apartment | Oks | Expert | 1.06 minutes |
| (Co-op) l4d_hospital01_apartment | Oks | Advanced | 2.36 minutes |
| (Co-op) l4d_hospital02_subway | Oks | Expert | 8.78 minutes |
| (Co-op) l4d_hospital02_subway | Oks | Advanced | 13.76 seconds |
| (Co-op) l4d_hospital03_sewers | Oks | Advanced | 9.09 minutes |
| (Co-op) l4d_hospital04_interior | Oks | Advanced | 6.12 minutes |
| (Co-op) l4d_hospital04_interior | Oks | Normal | 7.21 minutes |
| (Co-op) l4d_hospital05_rooftop | Oks | Advanced | 10.27 minutes |
| (Co-op) l4d_hospital05_rooftop | Oks | Normal | 8.67 minutes |
| (Co-op) l4d_river01_docks | Oks | Advanced | 8.15 minutes |
| (Co-op) l4d_river01_docks | Oks | Advanced | 8.15 minutes |
| (Co-op) l4d_river02_barge | Oks | Expert | 11.72 minutes |
| (Co-op) l4d_river02_barge | Oks | Expert | 11.72 minutes |
| (Co-op) l4d_river02_barge | Oks | Advanced | 8.56 minutes |
| (Co-op) l4d_river02_barge | Oks | Advanced | 8.56 minutes |
| (Co-op) l4d_river03_port | Oks | Expert | 11.43 minutes |
| (Co-op) l4d_river03_port | Oks | Expert | 11.43 minutes |
| (Co-op) l4d_river03_port | Oks | Advanced | 7.20 minutes |
| (Co-op) l4d_river03_port | Oks | Advanced | 7.20 minutes |
| (Co-op) l4d_smalltown01_caves | Oks | Advanced | 4.07 minutes |
| (Co-op) l4d_smalltown01_caves | Oks | Normal | 21.21 seconds |
| (Co-op) l4d_smalltown02_drainage | Oks | Advanced | 5.19 minutes |
| (Co-op) l4d_smalltown02_drainage | Oks | Normal | 6.25 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | Oks | Advanced | 4.77 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | Oks | Normal | 8.71 minutes |
| (Co-op) l4d_smalltown04_mainstreet | Oks | Expert | 21.87 minutes |
| (Co-op) l4d_smalltown04_mainstreet | Oks | Advanced | 6.60 minutes |
| (Co-op) l4d_smalltown04_mainstreet | Oks | Normal | 9.00 minutes |
| (Co-op) l4d_smalltown05_houseboat | Oks | Expert | 10.78 minutes |
| (Co-op) l4d_smalltown05_houseboat | Oks | Advanced | 11.01 minutes |
| (Co-op) l4d_vs_farm01_hilltop | Oks | Normal | 12.88 seconds |
| (Co-op) l4d_vs_farm01_hilltop | Oks | Normal | 12.88 seconds |
| (Co-op) l4d_vs_farm03_bridge | Oks | Advanced | 8.53 minutes |
| (Co-op) l4d_vs_farm03_bridge | Oks | Advanced | 8.53 minutes |
| (Co-op) l4d_vs_farm04_barn | Oks | Advanced | 5.93 minutes |
| (Co-op) l4d_vs_farm05_cornfield | Oks | Advanced | 13.15 minutes |
| (Co-op) l4d_vs_farm05_cornfield | Oks | Advanced | 13.15 minutes |