No Mercy
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_hospital02_subway |  -notasimp- zAytc | Normal | 8.08 minutes |
| (Co-op) l4d_hospital03_sewers | -notasimp- zAytc | Normal | 10.62 minutes |
| (Co-op) l4d_hospital04_interior | -notasimp- zAytc | Normal | 7.00 minutes |
| (Co-op) l4d_hospital05_rooftop | -notasimp- zAytc | Normal | 8.25 minutes |
Dead Air
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_airport01_greenhouse | -notasimp- zAytc | Normal | 6.09 minutes |
| (Co-op) l4d_airport02_offices | -notasimp- zAytc | Normal | 10.17 minutes |
Crash Course
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_garage01_alleys | -notasimp- zAytc | Normal | 11.83 minutes |
| (Co-op) l4d_garage02_lots | -notasimp- zAytc | Normal | 11.99 minutes |
