No Mercy
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_hospital01_apartment |  Cool.Birds | Expert | 5.79 minutes |
| (Co-op) l4d_hospital02_subway | Cool.Birds | Advanced | 9.93 minutes |
| (Co-op) l4d_hospital03_sewers | Cool.Birds | Advanced | 10.19 minutes |
| (Co-op) l4d_hospital04_interior | Cool.Birds | Advanced | 6.60 minutes |
| (Co-op) l4d_hospital05_rooftop | Cool.Birds | Advanced | 7.99 minutes |
Death Toll
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_smalltown01_caves | Cool.Birds | Advanced | 4.55 minutes |
