| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | Casper | Advanced | 2.89 minutes |
| (Co-op) l4d_airport01_greenhouse | Casper | Normal | 3.63 minutes |
| (Co-op) l4d_airport02_offices | Casper | Expert | 9.62 minutes |
| (Co-op) l4d_airport02_offices | Casper | Advanced | 7.45 minutes |
| (Co-op) l4d_airport02_offices | Casper | Normal | 9.58 minutes |
| (Co-op) l4d_airport03_garage | Casper | Expert | 11.44 minutes |
| (Co-op) l4d_airport03_garage | Casper | Advanced | 10.74 minutes |
| (Co-op) l4d_airport03_garage | Casper | Normal | 9.92 minutes |
| (Co-op) l4d_airport04_terminal | Casper | Expert | 8.85 minutes |
| (Co-op) l4d_airport04_terminal | Casper | Advanced | 5.96 minutes |
| (Co-op) l4d_airport04_terminal | Casper | Normal | 9.28 minutes |
| (Co-op) l4d_airport05_runway | Casper | Expert | 8.20 minutes |
| (Co-op) l4d_airport05_runway | Casper | Advanced | 7.96 minutes |
| (Co-op) l4d_airport05_runway | Casper | Normal | 4.96 minutes |
| (Co-op) l4d_farm01_hilltop | Casper | Expert | 3.90 minutes |
| (Co-op) l4d_farm02_traintunnel | Casper | Expert | 8.54 minutes |
| (Co-op) l4d_farm03_bridge | Casper | Expert | 9.13 minutes |
| (Co-op) l4d_farm03_bridge | Casper | Normal | 10.55 minutes |
| (Co-op) l4d_farm04_barn | Casper | Expert | 8.63 minutes |
| (Co-op) l4d_farm04_barn | Casper | Normal | 8.05 minutes |
| (Co-op) l4d_hospital01_apartment | Casper | Normal | 3.60 minutes |
| (Co-op) l4d_hospital02_subway | Casper | Normal | 6.66 minutes |
| (Co-op) l4d_hospital03_sewers | Casper | Advanced | 9.14 minutes |
| (Co-op) l4d_hospital03_sewers | Casper | Normal | 6.01 minutes |
| (Co-op) l4d_hospital04_interior | Casper | Advanced | 7.90 minutes |
| (Co-op) l4d_hospital04_interior | Casper | Normal | 7.67 minutes |
| (Co-op) l4d_river01_docks | Casper | Advanced | 8.25 minutes |
| (Co-op) l4d_river01_docks | Casper | Advanced | 8.25 minutes |
| (Co-op) l4d_river01_docks | Casper | Normal | 46.74 seconds |
| (Co-op) l4d_river01_docks | Casper | Normal | 46.74 seconds |
| (Co-op) l4d_river02_barge | Casper | Normal | 12.19 minutes |
| (Co-op) l4d_river02_barge | Casper | Normal | 12.19 minutes |
| (Co-op) l4d_river03_port | Casper | Advanced | 10.77 minutes |
| (Co-op) l4d_river03_port | Casper | Advanced | 10.77 minutes |
| (Co-op) l4d_smalltown01_caves | Casper | Expert | 5.38 minutes |
| (Co-op) l4d_smalltown01_caves | Casper | Advanced | 30.91 seconds |
| (Co-op) l4d_smalltown02_drainage | Casper | Expert | 6.74 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | Casper | Advanced | 8.01 minutes |
| (Co-op) l4d_smalltown04_mainstreet | Casper | Advanced | 8.93 minutes |
| (Co-op) l4d_smalltown05_houseboat | Casper | Advanced | 11.42 minutes |