No Mercy (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_hospital01_apartment | Muffin5 | Advanced | 3.18 minutes |
| (Co-op) l4d_hospital01_apartment | Muffin5 | Normal | 5.37 minutes |
| (Co-op) l4d_hospital02_subway | Muffin5 | Advanced | 8.77 minutes |
| (Co-op) l4d_hospital02_subway | Muffin5 | Normal | 7.01 minutes |
| (Co-op) l4d_hospital03_sewers | Muffin5 | Normal | 6.41 minutes |
| (Co-op) l4d_hospital04_interior | Muffin5 | Normal | 6.46 minutes |
Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | Muffin5 | Expert | 3.75 minutes |
| (Co-op) l4d_airport02_offices | Muffin5 | Expert | 9.09 minutes |
| (Co-op) l4d_airport02_offices | Muffin5 | Normal | 12.88 minutes |
Blood Harvest (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_farm04_barn | Muffin5 | Expert | 3.08 minutes |
| (Co-op) l4d_farm04_barn | Muffin5 | Advanced | 7.55 minutes |
| (Co-op) l4d_farm05_cornfield | Muffin5 | Expert | 16.64 minutes |
Crash Course (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_garage02_lots | Muffin5 | Advanced | 15.33 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | Muffin5 | Expert | 3.75 minutes |
| (Co-op) l4d_airport02_offices | Muffin5 | Expert | 9.09 minutes |
| (Co-op) l4d_airport02_offices | Muffin5 | Normal | 12.88 minutes |
| (Co-op) l4d_farm04_barn | Muffin5 | Expert | 3.08 minutes |
| (Co-op) l4d_farm04_barn | Muffin5 | Advanced | 7.55 minutes |
| (Co-op) l4d_farm05_cornfield | Muffin5 | Expert | 16.64 minutes |
| (Co-op) l4d_garage02_lots | Muffin5 | Advanced | 15.33 minutes |
| (Co-op) l4d_hospital01_apartment | Muffin5 | Advanced | 3.18 minutes |
| (Co-op) l4d_hospital01_apartment | Muffin5 | Normal | 5.37 minutes |
| (Co-op) l4d_hospital02_subway | Muffin5 | Advanced | 8.77 minutes |
| (Co-op) l4d_hospital02_subway | Muffin5 | Normal | 7.01 minutes |
| (Co-op) l4d_hospital03_sewers | Muffin5 | Normal | 6.41 minutes |
| (Co-op) l4d_hospital04_interior | Muffin5 | Normal | 6.46 minutes |
| (Co-op) l4d_river01_docks | Muffin5 | Expert | 10.11 minutes |
| (Co-op) l4d_river01_docks | Muffin5 | Expert | 10.11 minutes |
| (Co-op) l4d_river02_barge | Muffin5 | Expert | 9.87 minutes |
| (Co-op) l4d_river02_barge | Muffin5 | Expert | 9.87 minutes |
| (Co-op) l4d_river02_barge | Muffin5 | Normal | 7.13 minutes |
| (Co-op) l4d_river02_barge | Muffin5 | Normal | 7.13 minutes |
| (Co-op) l4d_river03_port | Muffin5 | Expert | 9.48 minutes |
| (Co-op) l4d_river03_port | Muffin5 | Expert | 9.48 minutes |