| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport02_offices | cs.breath | Expert | 9.36 seconds |
| (Co-op) l4d_airport03_garage | cs.breath | Expert | 9.18 minutes |
| (Co-op) l4d_airport04_terminal | cs.breath | Expert | 12.96 minutes |
| (Co-op) l4d_airport05_runway | cs.breath | Expert | 7.90 minutes |
| (Co-op) l4d_farm01_hilltop | cs.breath | Expert | 4.56 minutes |
| (Co-op) l4d_farm01_hilltop | cs.breath | Advanced | 6.99 minutes |
| (Co-op) l4d_farm02_traintunnel | cs.breath | Expert | 5.37 minutes |
| (Co-op) l4d_farm02_traintunnel | cs.breath | Advanced | 7.60 minutes |
| (Co-op) l4d_farm02_traintunnel | cs.breath | Normal | 5.82 minutes |
| (Co-op) l4d_farm03_bridge | cs.breath | Expert | 7.93 minutes |
| (Co-op) l4d_farm03_bridge | cs.breath | Advanced | 14.93 minutes |
| (Co-op) l4d_farm03_bridge | cs.breath | Normal | 8.48 minutes |
| (Co-op) l4d_farm04_barn | cs.breath | Expert | 7.20 minutes |
| (Co-op) l4d_farm04_barn | cs.breath | Advanced | 9.01 minutes |
| (Co-op) l4d_farm04_barn | cs.breath | Normal | 7.22 minutes |
| (Co-op) l4d_farm05_cornfield | cs.breath | Expert | 12.38 minutes |
| (Co-op) l4d_farm05_cornfield | cs.breath | Advanced | 9.40 minutes |
| (Co-op) l4d_garage01_alleys | cs.breath | Expert | 2.37 minutes |
| (Co-op) l4d_garage02_lots | cs.breath | Expert | 12.87 minutes |
| (Co-op) l4d_garage02_lots | cs.breath | Advanced | 16.41 minutes |
| (Co-op) l4d_hospital01_apartment | cs.breath | Expert | 4.12 minutes |
| (Co-op) l4d_hospital01_apartment | cs.breath | Advanced | 2.83 minutes |
| (Co-op) l4d_hospital02_subway | cs.breath | Expert | 2.42 minutes |
| (Co-op) l4d_hospital02_subway | cs.breath | Advanced | 10.11 minutes |
| (Co-op) l4d_hospital03_sewers | cs.breath | Expert | 12.11 minutes |
| (Co-op) l4d_hospital03_sewers | cs.breath | Advanced | 8.18 minutes |
| (Co-op) l4d_hospital04_interior | cs.breath | Expert | 7.77 minutes |
| (Co-op) l4d_hospital04_interior | cs.breath | Advanced | 5.97 minutes |
| (Co-op) l4d_hospital05_rooftop | cs.breath | Advanced | 10.70 minutes |
| (Co-op) l4d_river01_docks | cs.breath | Expert | 12.19 minutes |
| (Co-op) l4d_river01_docks | cs.breath | Expert | 12.19 minutes |
| (Co-op) l4d_river02_barge | cs.breath | Expert | 16.27 minutes |
| (Co-op) l4d_river02_barge | cs.breath | Expert | 16.27 minutes |
| (Co-op) l4d_smalltown01_caves | cs.breath | Expert | 3.92 minutes |
| (Co-op) l4d_smalltown01_caves | cs.breath | Normal | 20.00 seconds |
| (Co-op) l4d_smalltown02_drainage | cs.breath | Expert | 5.69 minutes |
| (Co-op) l4d_smalltown02_drainage | cs.breath | Normal | 7.46 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | cs.breath | Expert | 6.46 minutes |
| (Co-op) l4d_smalltown04_mainstreet | cs.breath | Expert | 10.11 minutes |