Dead Air
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_airport02_offices |  Explosion!!! | Normal | 8.92 minutes |
| (Co-op) l4d_airport03_garage | Explosion!!! | Normal | 8.55 minutes |
| (Co-op) l4d_airport04_terminal | Explosion!!! | Normal | 3.85 minutes |
| (Co-op) l4d_airport05_runway | Explosion!!! | Normal | 5.64 minutes |
Death Toll
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_smalltown01_caves | Explosion!!! | Normal | 5.34 minutes |
| (Co-op) l4d_smalltown02_drainage | Explosion!!! | Normal | 4.78 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | Explosion!!! | Normal | 7.87 minutes |
| (Co-op) l4d_smalltown04_mainstreet | Explosion!!! | Normal | 12.19 minutes |
| (Co-op) l4d_smalltown05_houseboat | Explosion!!! | Normal | 9.46 minutes |
Blood Harvest
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_farm01_hilltop | Explosion!!! | Normal | 4.89 minutes |
| (Co-op) l4d_farm02_traintunnel | Explosion!!! | Normal | 6.52 minutes |
| (Co-op) l4d_farm03_bridge | Explosion!!! | Normal | 5.71 minutes |
| (Co-op) l4d_farm04_barn | Explosion!!! | Normal | 5.05 minutes |
Crash Course
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_garage02_lots | Explosion!!! | Normal | 8.93 minutes |
