| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | BULKA | Expert | 1.97 minutes |
| (Co-op) l4d_airport01_greenhouse | BULKA | Advanced | 2.60 minutes |
| (Co-op) l4d_airport02_offices | BULKA | Expert | 7.68 minutes |
| (Co-op) l4d_airport02_offices | BULKA | Advanced | 8.30 minutes |
| (Co-op) l4d_airport03_garage | BULKA | Expert | 7.74 minutes |
| (Co-op) l4d_airport03_garage | BULKA | Advanced | 8.37 minutes |
| (Co-op) l4d_airport04_terminal | BULKA | Expert | 6.09 minutes |
| (Co-op) l4d_airport04_terminal | BULKA | Advanced | 8.94 minutes |
| (Co-op) l4d_airport05_runway | BULKA | Expert | 7.98 minutes |
| (Co-op) l4d_farm01_hilltop | BULKA | Expert | 3.11 minutes |
| (Co-op) l4d_farm02_traintunnel | BULKA | Expert | 4.24 minutes |
| (Co-op) l4d_farm03_bridge | BULKA | Expert | 4.84 minutes |
| (Co-op) l4d_farm04_barn | BULKA | Expert | 4.35 minutes |
| (Co-op) l4d_farm05_cornfield | BULKA | Expert | 8.44 minutes |
| (Co-op) l4d_garage01_alleys | BULKA | Expert | 51.43 seconds |
| (Co-op) l4d_garage02_lots | BULKA | Expert | 12.76 minutes |
| (Co-op) l4d_hospital01_apartment | BULKA | Expert | 2.55 minutes |
| (Co-op) l4d_hospital02_subway | BULKA | Expert | 6.96 minutes |
| (Co-op) l4d_hospital02_subway | BULKA | Advanced | 6.91 minutes |
| (Co-op) l4d_hospital03_sewers | BULKA | Expert | 5.21 minutes |
| (Co-op) l4d_hospital03_sewers | BULKA | Advanced | 6.45 minutes |
| (Co-op) l4d_hospital04_interior | BULKA | Expert | 5.08 minutes |
| (Co-op) l4d_hospital04_interior | BULKA | Advanced | 7.68 minutes |
| (Co-op) l4d_hospital05_rooftop | BULKA | Expert | 9.06 minutes |
| (Co-op) l4d_hospital05_rooftop | BULKA | Advanced | 10.06 minutes |
| (Co-op) l4d_river01_docks | BULKA | Expert | 9.60 seconds |
| (Co-op) l4d_river01_docks | BULKA | Expert | 9.60 seconds |
| (Co-op) l4d_river02_barge | BULKA | Expert | 8.52 minutes |
| (Co-op) l4d_river02_barge | BULKA | Expert | 8.52 minutes |
| (Co-op) l4d_river02_barge | BULKA | Advanced | 15.18 minutes |
| (Co-op) l4d_river02_barge | BULKA | Advanced | 15.18 minutes |
| (Co-op) l4d_river03_port | BULKA | Expert | 8.28 minutes |
| (Co-op) l4d_river03_port | BULKA | Expert | 8.28 minutes |
| (Co-op) l4d_river03_port | BULKA | Advanced | 13.59 minutes |
| (Co-op) l4d_river03_port | BULKA | Advanced | 13.59 minutes |
| (Co-op) l4d_smalltown01_caves | BULKA | Expert | 23.93 seconds |
| (Co-op) l4d_smalltown01_caves | BULKA | Advanced | 3.95 minutes |
| (Co-op) l4d_smalltown02_drainage | BULKA | Expert | 4.03 minutes |
| (Co-op) l4d_smalltown02_drainage | BULKA | Advanced | 6.34 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | BULKA | Expert | 5.48 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | BULKA | Advanced | 10.47 minutes |
| (Co-op) l4d_smalltown04_mainstreet | BULKA | Expert | 5.65 minutes |
| (Co-op) l4d_smalltown04_mainstreet | BULKA | Advanced | 7.99 minutes |
| (Co-op) l4d_smalltown05_houseboat | BULKA | Expert | 9.63 minutes |
| (Co-op) l4d_smalltown05_houseboat | BULKA | Advanced | 10.47 minutes |