| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | syre | Expert | 3.96 minutes |
| (Co-op) l4d_airport01_greenhouse | syre | Advanced | 4.07 minutes |
| (Co-op) l4d_airport01_greenhouse | syre | Normal | 4.26 minutes |
| (Co-op) l4d_airport03_garage | syre | Expert | 9.33 minutes |
| (Co-op) l4d_airport03_garage | syre | Advanced | 9.26 minutes |
| (Co-op) l4d_airport04_terminal | syre | Expert | 7.64 minutes |
| (Co-op) l4d_airport04_terminal | syre | Advanced | 9.38 minutes |
| (Co-op) l4d_airport05_runway | syre | Expert | 9.05 minutes |
| (Co-op) l4d_airport05_runway | syre | Advanced | 9.08 minutes |
| (Co-op) l4d_farm01_hilltop | syre | Advanced | 3.98 minutes |
| (Co-op) l4d_farm02_traintunnel | syre | Advanced | 7.53 minutes |
| (Co-op) l4d_farm03_bridge | syre | Advanced | 6.78 minutes |
| (Co-op) l4d_farm04_barn | syre | Expert | 4.60 minutes |
| (Co-op) l4d_farm04_barn | syre | Advanced | 5.41 minutes |
| (Co-op) l4d_farm05_cornfield | syre | Expert | 6.97 minutes |
| (Co-op) l4d_garage01_alleys | syre | Expert | 8.03 minutes |
| (Co-op) l4d_garage02_lots | syre | Expert | 9.51 minutes |
| (Co-op) l4d_garage02_lots | syre | Advanced | 22.28 minutes |
| (Co-op) l4d_hospital01_apartment | syre | Expert | 3.85 minutes |
| (Co-op) l4d_hospital02_subway | syre | Expert | 10.53 minutes |
| (Co-op) l4d_hospital02_subway | syre | Advanced | 13.91 minutes |
| (Co-op) l4d_hospital02_subway | syre | Normal | 47.96 seconds |
| (Co-op) l4d_hospital03_sewers | syre | Expert | 8.42 minutes |
| (Co-op) l4d_hospital03_sewers | syre | Advanced | 11.57 minutes |
| (Co-op) l4d_hospital04_interior | syre | Expert | 6.22 minutes |
| (Co-op) l4d_hospital04_interior | syre | Advanced | 6.92 minutes |
| (Co-op) l4d_hospital05_rooftop | syre | Expert | 14.30 minutes |
| (Co-op) l4d_hospital05_rooftop | syre | Advanced | 10.93 minutes |
| (Co-op) l4d_river01_docks | syre | Advanced | 19.33 seconds |
| (Co-op) l4d_river01_docks | syre | Advanced | 19.33 seconds |
| (Co-op) l4d_river02_barge | syre | Advanced | 9.63 minutes |
| (Co-op) l4d_river02_barge | syre | Advanced | 9.63 minutes |
| (Co-op) l4d_river03_port | syre | Advanced | 11.32 minutes |
| (Co-op) l4d_river03_port | syre | Advanced | 11.32 minutes |
| (Co-op) l4d_smalltown02_drainage | syre | Expert | 5.04 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | syre | Expert | 5.07 minutes |
| (Co-op) l4d_smalltown04_mainstreet | syre | Expert | 7.88 minutes |
| (Co-op) l4d_smalltown05_houseboat | syre | Advanced | 19.60 minutes |