| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | i r nub | Advanced | 3.58 minutes |
| (Co-op) l4d_airport01_greenhouse | i r nub | Normal | 46.34 seconds |
| (Co-op) l4d_airport02_offices | i r nub | Advanced | 8.17 minutes |
| (Co-op) l4d_airport02_offices | i r nub | Normal | 5.53 minutes |
| (Co-op) l4d_airport03_garage | i r nub | Advanced | 11.33 minutes |
| (Co-op) l4d_airport03_garage | i r nub | Normal | 5.86 minutes |
| (Co-op) l4d_airport04_terminal | i r nub | Advanced | 4.45 minutes |
| (Co-op) l4d_airport04_terminal | i r nub | Normal | 3.72 minutes |
| (Co-op) l4d_airport05_runway | i r nub | Normal | 6.08 minutes |
| (Co-op) l4d_farm01_hilltop | i r nub | Normal | 2.97 minutes |
| (Co-op) l4d_farm02_traintunnel | i r nub | Normal | 4.16 minutes |
| (Co-op) l4d_farm04_barn | i r nub | Advanced | 3.59 minutes |
| (Co-op) l4d_farm04_barn | i r nub | Normal | 9.38 minutes |
| (Co-op) l4d_farm05_cornfield | i r nub | Normal | 11.80 minutes |
| (Co-op) l4d_garage01_alleys | i r nub | Normal | 1.74 seconds |
| (Co-op) l4d_garage02_lots | i r nub | Normal | 8.72 minutes |
| (Co-op) l4d_hospital01_apartment | i r nub | Advanced | 2.49 minutes |
| (Co-op) l4d_hospital01_apartment | i r nub | Normal | 1.71 minutes |
| (Co-op) l4d_hospital02_subway | i r nub | Advanced | 7.15 minutes |
| (Co-op) l4d_hospital02_subway | i r nub | Normal | 5.92 minutes |
| (Co-op) l4d_hospital03_sewers | i r nub | Advanced | 7.00 minutes |
| (Co-op) l4d_hospital03_sewers | i r nub | Normal | 4.57 minutes |
| (Co-op) l4d_hospital04_interior | i r nub | Advanced | 6.76 minutes |
| (Co-op) l4d_hospital04_interior | i r nub | Normal | 4.82 minutes |
| (Co-op) l4d_hospital05_rooftop | i r nub | Normal | 6.66 minutes |
| (Co-op) l4d_river02_barge | i r nub | Normal | 7.56 minutes |
| (Co-op) l4d_river02_barge | i r nub | Normal | 7.56 minutes |
| (Co-op) l4d_river03_port | i r nub | Advanced | 6.89 minutes |
| (Co-op) l4d_river03_port | i r nub | Advanced | 6.89 minutes |
| (Co-op) l4d_river03_port | i r nub | Normal | 6.58 minutes |
| (Co-op) l4d_river03_port | i r nub | Normal | 6.58 minutes |
| (Co-op) l4d_smalltown01_caves | i r nub | Normal | 3.65 minutes |
| (Co-op) l4d_smalltown02_drainage | i r nub | Normal | 3.75 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | i r nub | Normal | 5.39 minutes |
| (Co-op) l4d_smalltown04_mainstreet | i r nub | Normal | 4.97 minutes |
| (Co-op) l4d_smalltown05_houseboat | i r nub | Normal | 7.84 minutes |