No Mercy
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_hospital01_apartment |  mattisonlyusing1percent | Normal | 4.97 minutes |
| (Co-op) l4d_hospital02_subway | mattisonlyusing1percent | Normal | 7.47 minutes |
| (Co-op) l4d_hospital03_sewers | mattisonlyusing1percent | Normal | 9.59 minutes |
| (Co-op) l4d_hospital04_interior | mattisonlyusing1percent | Normal | 5.25 minutes |
| (Co-op) l4d_hospital05_rooftop | mattisonlyusing1percent | Normal | 8.42 minutes |
Dead Air
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_airport01_greenhouse | mattisonlyusing1percent | Normal | 4.60 minutes |
| (Co-op) l4d_airport02_offices | mattisonlyusing1percent | Normal | 11.07 minutes |
Blood Harvest
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_farm01_hilltop | mattisonlyusing1percent | Normal | 3.59 minutes |
| (Co-op) l4d_farm02_traintunnel | mattisonlyusing1percent | Normal | 7.63 minutes |
| (Co-op) l4d_farm03_bridge | mattisonlyusing1percent | Normal | 8.53 minutes |
| (Co-op) l4d_farm04_barn | mattisonlyusing1percent | Normal | 6.04 minutes |
| (Co-op) l4d_farm05_cornfield | mattisonlyusing1percent | Normal | 8.88 minutes |
Crash Course
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_garage01_alleys | mattisonlyusing1percent | Normal | 10.96 minutes |
| (Co-op) l4d_garage02_lots | mattisonlyusing1percent | Normal | 12.45 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Survival) l4d_hospital03_sewers | mattisonlyusing1percent | Normal | 3.80 minutes |
