| Map | Name | Difficulty | Time |
| (Co-op) l4d_airport01_greenhouse | GRONDMEYSER | Expert | 2.12 minutes |
| (Co-op) l4d_airport01_greenhouse | GRONDMEYSER | Advanced | 2.23 minutes |
| (Co-op) l4d_airport02_offices | GRONDMEYSER | Expert | 7.02 minutes |
| (Co-op) l4d_airport02_offices | GRONDMEYSER | Advanced | 7.48 minutes |
| (Co-op) l4d_airport03_garage | GRONDMEYSER | Expert | 7.96 minutes |
| (Co-op) l4d_airport03_garage | GRONDMEYSER | Advanced | 8.37 minutes |
| (Co-op) l4d_airport04_terminal | GRONDMEYSER | Expert | 5.66 minutes |
| (Co-op) l4d_airport04_terminal | GRONDMEYSER | Advanced | 6.18 minutes |
| (Co-op) l4d_airport04_terminal | GRONDMEYSER | Normal | 6.01 minutes |
| (Co-op) l4d_airport05_runway | GRONDMEYSER | Expert | 6.80 minutes |
| (Co-op) l4d_airport05_runway | GRONDMEYSER | Advanced | 10.12 minutes |
| (Co-op) l4d_airport05_runway | GRONDMEYSER | Normal | 5.04 minutes |
| (Co-op) l4d_farm01_hilltop | GRONDMEYSER | Expert | 4.68 seconds |
| (Co-op) l4d_farm01_hilltop | GRONDMEYSER | Advanced | 2.82 minutes |
| (Co-op) l4d_farm02_traintunnel | GRONDMEYSER | Expert | 5.11 minutes |
| (Co-op) l4d_farm02_traintunnel | GRONDMEYSER | Advanced | 7.11 minutes |
| (Co-op) l4d_farm03_bridge | GRONDMEYSER | Expert | 6.94 minutes |
| (Co-op) l4d_farm04_barn | GRONDMEYSER | Expert | 3.41 minutes |
| (Co-op) l4d_farm05_cornfield | GRONDMEYSER | Expert | 7.71 minutes |
| (Co-op) l4d_garage01_alleys | GRONDMEYSER | Expert | 8.81 minutes |
| (Co-op) l4d_garage01_alleys | GRONDMEYSER | Advanced | 1.17 minutes |
| (Co-op) l4d_garage02_lots | GRONDMEYSER | Expert | 9.42 minutes |
| (Co-op) l4d_garage02_lots | GRONDMEYSER | Advanced | 17.35 minutes |
| (Co-op) l4d_hospital01_apartment | GRONDMEYSER | Expert | 2.09 minutes |
| (Co-op) l4d_hospital01_apartment | GRONDMEYSER | Advanced | 2.84 minutes |
| (Co-op) l4d_hospital01_apartment | GRONDMEYSER | Normal | 2.80 minutes |
| (Co-op) l4d_hospital02_subway | GRONDMEYSER | Expert | 4.25 minutes |
| (Co-op) l4d_hospital02_subway | GRONDMEYSER | Advanced | 7.74 minutes |
| (Co-op) l4d_hospital02_subway | GRONDMEYSER | Normal | 10.75 minutes |
| (Co-op) l4d_hospital03_sewers | GRONDMEYSER | Expert | 6.88 minutes |
| (Co-op) l4d_hospital03_sewers | GRONDMEYSER | Advanced | 8.36 minutes |
| (Co-op) l4d_hospital03_sewers | GRONDMEYSER | Normal | 10.66 minutes |
| (Co-op) l4d_hospital04_interior | GRONDMEYSER | Expert | 5.89 minutes |
| (Co-op) l4d_hospital04_interior | GRONDMEYSER | Advanced | 5.77 minutes |
| (Co-op) l4d_hospital04_interior | GRONDMEYSER | Normal | 9.47 minutes |
| (Co-op) l4d_hospital05_rooftop | GRONDMEYSER | Expert | 9.33 minutes |
| (Co-op) l4d_hospital05_rooftop | GRONDMEYSER | Advanced | 10.41 minutes |
| (Co-op) l4d_hospital05_rooftop | GRONDMEYSER | Normal | 7.99 minutes |
| (Co-op) l4d_river01_docks | GRONDMEYSER | Expert | 13.36 seconds |
| (Co-op) l4d_river01_docks | GRONDMEYSER | Expert | 13.36 seconds |
| (Co-op) l4d_river01_docks | GRONDMEYSER | Normal | 43.58 seconds |
| (Co-op) l4d_river01_docks | GRONDMEYSER | Normal | 43.58 seconds |
| (Co-op) l4d_river02_barge | GRONDMEYSER | Expert | 8.96 minutes |
| (Co-op) l4d_river02_barge | GRONDMEYSER | Expert | 8.96 minutes |
| (Co-op) l4d_river02_barge | GRONDMEYSER | Advanced | 14.38 minutes |
| (Co-op) l4d_river02_barge | GRONDMEYSER | Advanced | 14.38 minutes |
| (Co-op) l4d_river02_barge | GRONDMEYSER | Normal | 13.22 minutes |
| (Co-op) l4d_river02_barge | GRONDMEYSER | Normal | 13.22 minutes |
| (Co-op) l4d_river03_port | GRONDMEYSER | Expert | 8.19 minutes |
| (Co-op) l4d_river03_port | GRONDMEYSER | Expert | 8.19 minutes |
| (Co-op) l4d_river03_port | GRONDMEYSER | Advanced | 9.90 minutes |
| (Co-op) l4d_river03_port | GRONDMEYSER | Advanced | 9.90 minutes |
| (Co-op) l4d_smalltown01_caves | GRONDMEYSER | Expert | 3.27 minutes |
| (Co-op) l4d_smalltown01_caves | GRONDMEYSER | Advanced | 3.47 minutes |
| (Co-op) l4d_smalltown02_drainage | GRONDMEYSER | Expert | 4.14 minutes |
| (Co-op) l4d_smalltown02_drainage | GRONDMEYSER | Advanced | 5.54 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | GRONDMEYSER | Expert | 6.97 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | GRONDMEYSER | Advanced | 5.56 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | GRONDMEYSER | Normal | 11.00 minutes |
| (Co-op) l4d_smalltown04_mainstreet | GRONDMEYSER | Expert | 6.16 minutes |
| (Co-op) l4d_smalltown04_mainstreet | GRONDMEYSER | Advanced | 8.55 minutes |
| (Co-op) l4d_smalltown04_mainstreet | GRONDMEYSER | Normal | 10.95 minutes |
| (Co-op) l4d_smalltown05_houseboat | GRONDMEYSER | Expert | 9.63 minutes |
| (Co-op) l4d_smalltown05_houseboat | GRONDMEYSER | Advanced | 8.97 minutes |
| (Co-op) l4d_smalltown05_houseboat | GRONDMEYSER | Normal | 9.27 minutes |