No Mercy
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_hospital01_apartment |  Signor Gatto | Expert | 4.32 minutes |
| (Co-op) l4d_hospital02_subway | Signor Gatto | Expert | 13.32 minutes |
| (Co-op) l4d_hospital03_sewers | Signor Gatto | Normal | 7.18 minutes |
| (Co-op) l4d_hospital04_interior | Signor Gatto | Normal | 7.50 minutes |
Dead Air
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_airport02_offices | Signor Gatto | Expert | 21.30 minutes |
| (Co-op) l4d_airport02_offices | Signor Gatto | Advanced | 7.36 minutes |
Death Toll
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_smalltown01_caves | Signor Gatto | Expert | 6.20 minutes |
| (Co-op) l4d_smalltown01_caves | Signor Gatto | Normal | 5.43 minutes |
| (Co-op) l4d_smalltown02_drainage | Signor Gatto | Normal | 9.18 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | Signor Gatto | Normal | 8.87 minutes |
Blood Harvest
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_farm05_cornfield | Signor Gatto | Normal | 15.57 minutes |
Crash Course
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_garage01_alleys | Signor Gatto | Expert | 18.94 minutes |
| (Co-op) l4d_garage01_alleys | Signor Gatto | Normal | 16.68 minutes |
| (Co-op) l4d_garage02_lots | Signor Gatto | Expert | 17.81 minutes |
