Dead Air
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_airport02_offices |  Lithium Toast | Advanced | 11.77 minutes |
| (Co-op) l4d_airport03_garage | Lithium Toast | Advanced | 12.01 minutes |
| (Co-op) l4d_airport04_terminal | Lithium Toast | Advanced | 9.74 minutes |
| (Co-op) l4d_airport05_runway | Lithium Toast | Advanced | 6.82 minutes |
Death Toll
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_smalltown01_caves | Lithium Toast | Advanced | 7.53 minutes |
