No Mercy (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_hospital02_subway | COBRA | Advanced | 5.47 minutes |
| (Co-op) l4d_hospital03_sewers | COBRA | Advanced | 7.27 minutes |
| (Co-op) l4d_hospital04_interior | COBRA | Advanced | 4.33 minutes |
| (Co-op) l4d_hospital05_rooftop | COBRA | Advanced | 8.35 minutes |
Death Toll (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_smalltown01_caves | COBRA | Advanced | 4.33 minutes |
| (Co-op) l4d_smalltown02_drainage | COBRA | Advanced | 4.52 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | COBRA | Advanced | 5.70 minutes |
Blood Harvest (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_farm01_hilltop | COBRA | Expert | 3.33 minutes |
| (Co-op) l4d_farm03_bridge | COBRA | Advanced | 5.72 minutes |
| (Co-op) l4d_farm04_barn | COBRA | Advanced | 4.42 minutes |
| (Co-op) l4d_farm05_cornfield | COBRA | Advanced | 10.22 minutes |
Crash Course (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_garage01_alleys | COBRA | Advanced | 7.49 minutes |
| (Co-op) l4d_garage02_lots | COBRA | Advanced | 10.97 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_farm01_hilltop | COBRA | Expert | 3.33 minutes |
| (Co-op) l4d_farm03_bridge | COBRA | Advanced | 5.72 minutes |
| (Co-op) l4d_farm04_barn | COBRA | Advanced | 4.42 minutes |
| (Co-op) l4d_farm05_cornfield | COBRA | Advanced | 10.22 minutes |
| (Co-op) l4d_garage01_alleys | COBRA | Advanced | 7.49 minutes |
| (Co-op) l4d_garage02_lots | COBRA | Advanced | 10.97 minutes |
| (Co-op) l4d_hospital02_subway | COBRA | Advanced | 5.47 minutes |
| (Co-op) l4d_hospital03_sewers | COBRA | Advanced | 7.27 minutes |
| (Co-op) l4d_hospital04_interior | COBRA | Advanced | 4.33 minutes |
| (Co-op) l4d_hospital05_rooftop | COBRA | Advanced | 8.35 minutes |
| (Co-op) l4d_river01_docks | COBRA | Advanced | 7.75 minutes |
| (Co-op) l4d_river01_docks | COBRA | Advanced | 7.75 minutes |
| (Co-op) l4d_river02_barge | COBRA | Advanced | 7.94 minutes |
| (Co-op) l4d_river02_barge | COBRA | Advanced | 7.94 minutes |
| (Co-op) l4d_river02_barge | COBRA | Normal | 8.33 minutes |
| (Co-op) l4d_river02_barge | COBRA | Normal | 8.33 minutes |
| (Co-op) l4d_river03_port | COBRA | Normal | 6.06 minutes |
| (Co-op) l4d_river03_port | COBRA | Normal | 6.06 minutes |
| (Co-op) l4d_smalltown01_caves | COBRA | Advanced | 4.33 minutes |
| (Co-op) l4d_smalltown02_drainage | COBRA | Advanced | 4.52 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | COBRA | Advanced | 5.70 minutes |