No Mercy
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_hospital01_apartment |  MyxA | Expert | 3.14 minutes |
| (Co-op) l4d_hospital01_apartment | MyxA | Advanced | 2.89 minutes |
| (Co-op) l4d_hospital01_apartment | MyxA | Normal | 2.72 minutes |
| (Co-op) l4d_hospital02_subway | MyxA | Expert | 8.09 minutes |
| (Co-op) l4d_hospital02_subway | MyxA | Advanced | 7.95 minutes |
| (Co-op) l4d_hospital02_subway | MyxA | Normal | 6.32 minutes |
| (Co-op) l4d_hospital03_sewers | MyxA | Expert | 14.95 minutes |
| (Co-op) l4d_hospital03_sewers | MyxA | Advanced | 6.85 minutes |
| (Co-op) l4d_hospital03_sewers | MyxA | Normal | 9.15 minutes |
| (Co-op) l4d_hospital04_interior | MyxA | Expert | 4.82 minutes |
| (Co-op) l4d_hospital04_interior | MyxA | Advanced | 5.21 minutes |
| (Co-op) l4d_hospital04_interior | MyxA | Normal | 8.19 minutes |
| (Co-op) l4d_hospital05_rooftop | MyxA | Advanced | 7.54 minutes |
| (Co-op) l4d_hospital05_rooftop | MyxA | Normal | 25.92 minutes |
Dead Air
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_airport01_greenhouse | MyxA | Advanced | 3.44 minutes |
| (Co-op) l4d_airport01_greenhouse | MyxA | Normal | 3.92 minutes |
| (Co-op) l4d_airport02_offices | MyxA | Advanced | 8.96 minutes |
| (Co-op) l4d_airport02_offices | MyxA | Normal | 6.21 minutes |
| (Co-op) l4d_airport03_garage | MyxA | Advanced | 9.14 minutes |
| (Co-op) l4d_airport03_garage | MyxA | Normal | 7.49 minutes |
| (Co-op) l4d_airport04_terminal | MyxA | Advanced | 4.58 minutes |
| (Co-op) l4d_airport04_terminal | MyxA | Normal | 4.49 minutes |
| (Co-op) l4d_airport05_runway | MyxA | Advanced | 9.26 minutes |
Death Toll
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_smalltown01_caves | MyxA | Advanced | 3.56 minutes |
| (Co-op) l4d_smalltown01_caves | MyxA | Normal | 2.82 minutes |
| (Co-op) l4d_smalltown02_drainage | MyxA | Advanced | 3.99 minutes |
| (Co-op) l4d_smalltown02_drainage | MyxA | Normal | 4.70 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | MyxA | Advanced | 4.35 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | MyxA | Normal | 5.72 minutes |
| (Co-op) l4d_smalltown04_mainstreet | MyxA | Advanced | 4.91 minutes |
| (Co-op) l4d_smalltown04_mainstreet | MyxA | Normal | 5.55 minutes |
| (Co-op) l4d_smalltown05_houseboat | MyxA | Advanced | 9.25 minutes |
| (Co-op) l4d_smalltown05_houseboat | MyxA | Normal | 9.83 minutes |
Blood Harvest
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_farm01_hilltop | MyxA | Advanced | 3.68 minutes |
| (Co-op) l4d_farm02_traintunnel | MyxA | Advanced | 6.56 minutes |
| (Co-op) l4d_farm03_bridge | MyxA | Advanced | 9.03 minutes |
| (Co-op) l4d_farm04_barn | MyxA | Advanced | 6.63 minutes |
| (Co-op) l4d_farm04_barn | MyxA | Normal | 7.06 minutes |
| (Co-op) l4d_farm05_cornfield | MyxA | Advanced | 27.10 minutes |
Crash Course
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_garage01_alleys | MyxA | Advanced | 7.76 minutes |
