Dead Air (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | COBRA | Normal | 1.88 minutes |
| (Co-op) l4d_airport03_garage | COBRA | Expert | 8.46 minutes |
| (Co-op) l4d_airport04_terminal | COBRA | Expert | 8.02 minutes |
Crash Course (L4D1)
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_garage01_alleys | COBRA | Normal | 7.35 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|
| (Co-op) l4d_airport01_greenhouse | COBRA | Normal | 1.88 minutes |
| (Co-op) l4d_airport03_garage | COBRA | Expert | 8.46 minutes |
| (Co-op) l4d_airport04_terminal | COBRA | Expert | 8.02 minutes |
| (Co-op) l4d_garage01_alleys | COBRA | Normal | 7.35 minutes |