No Mercy
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_hospital01_apartment |  Seriousshot1 | Expert | 2.64 minutes |
| (Co-op) l4d_hospital01_apartment | Seriousshot1 | Advanced | 2.20 minutes |
| (Co-op) l4d_hospital01_apartment | Seriousshot1 | Normal | 1.24 minutes |
| (Co-op) l4d_hospital02_subway | Seriousshot1 | Expert | 6.52 minutes |
| (Co-op) l4d_hospital02_subway | Seriousshot1 | Advanced | 4.91 minutes |
| (Co-op) l4d_hospital02_subway | Seriousshot1 | Normal | 3.00 minutes |
| (Co-op) l4d_hospital03_sewers | Seriousshot1 | Expert | 3.28 minutes |
| (Co-op) l4d_hospital03_sewers | Seriousshot1 | Advanced | 3.79 minutes |
| (Co-op) l4d_hospital03_sewers | Seriousshot1 | Normal | 2.48 minutes |
| (Co-op) l4d_hospital04_interior | Seriousshot1 | Expert | 4.48 minutes |
| (Co-op) l4d_hospital04_interior | Seriousshot1 | Advanced | 4.08 minutes |
| (Co-op) l4d_hospital04_interior | Seriousshot1 | Normal | 3.08 minutes |
| (Co-op) l4d_hospital05_rooftop | Seriousshot1 | Expert | 6.36 minutes |
| (Co-op) l4d_hospital05_rooftop | Seriousshot1 | Advanced | 5.78 minutes |
| (Co-op) l4d_hospital05_rooftop | Seriousshot1 | Normal | 5.08 minutes |
Dead Air
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_airport01_greenhouse | Seriousshot1 | Expert | 2.65 minutes |
| (Co-op) l4d_airport01_greenhouse | Seriousshot1 | Advanced | 2.27 minutes |
| (Co-op) l4d_airport01_greenhouse | Seriousshot1 | Normal | 1.83 minutes |
| (Co-op) l4d_airport02_offices | Seriousshot1 | Expert | 7.62 minutes |
| (Co-op) l4d_airport02_offices | Seriousshot1 | Advanced | 5.54 minutes |
| (Co-op) l4d_airport02_offices | Seriousshot1 | Normal | 4.46 minutes |
| (Co-op) l4d_airport03_garage | Seriousshot1 | Expert | 5.80 minutes |
| (Co-op) l4d_airport03_garage | Seriousshot1 | Advanced | 6.18 minutes |
| (Co-op) l4d_airport03_garage | Seriousshot1 | Normal | 4.12 minutes |
| (Co-op) l4d_airport04_terminal | Seriousshot1 | Expert | 4.78 minutes |
| (Co-op) l4d_airport04_terminal | Seriousshot1 | Advanced | 2.17 minutes |
| (Co-op) l4d_airport04_terminal | Seriousshot1 | Normal | 2.13 minutes |
| (Co-op) l4d_airport05_runway | Seriousshot1 | Expert | 5.59 minutes |
| (Co-op) l4d_airport05_runway | Seriousshot1 | Advanced | 5.23 minutes |
| (Co-op) l4d_airport05_runway | Seriousshot1 | Normal | 4.44 minutes |
Death Toll
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_smalltown01_caves | Seriousshot1 | Expert | 2.63 minutes |
| (Co-op) l4d_smalltown01_caves | Seriousshot1 | Advanced | 2.33 minutes |
| (Co-op) l4d_smalltown01_caves | Seriousshot1 | Normal | 2.06 minutes |
| (Co-op) l4d_smalltown02_drainage | Seriousshot1 | Expert | 5.39 minutes |
| (Co-op) l4d_smalltown02_drainage | Seriousshot1 | Advanced | 4.11 minutes |
| (Co-op) l4d_smalltown02_drainage | Seriousshot1 | Normal | 2.62 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | Seriousshot1 | Expert | 5.20 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | Seriousshot1 | Advanced | 4.09 minutes |
| (Co-op) l4d_smalltown03_ranchhouse | Seriousshot1 | Normal | 3.11 minutes |
| (Co-op) l4d_smalltown04_mainstreet | Seriousshot1 | Expert | 8.37 minutes |
| (Co-op) l4d_smalltown04_mainstreet | Seriousshot1 | Advanced | 5.00 minutes |
| (Co-op) l4d_smalltown04_mainstreet | Seriousshot1 | Normal | 3.42 minutes |
| (Co-op) l4d_smalltown05_houseboat | Seriousshot1 | Expert | 8.79 minutes |
| (Co-op) l4d_smalltown05_houseboat | Seriousshot1 | Advanced | 7.55 minutes |
| (Co-op) l4d_smalltown05_houseboat | Seriousshot1 | Normal | 6.30 minutes |
Blood Harvest
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_farm01_hilltop | Seriousshot1 | Expert | 2.63 minutes |
| (Co-op) l4d_farm01_hilltop | Seriousshot1 | Advanced | 2.73 minutes |
| (Co-op) l4d_farm01_hilltop | Seriousshot1 | Normal | 2.38 minutes |
| (Co-op) l4d_farm02_traintunnel | Seriousshot1 | Expert | 5.40 minutes |
| (Co-op) l4d_farm02_traintunnel | Seriousshot1 | Advanced | 4.06 minutes |
| (Co-op) l4d_farm02_traintunnel | Seriousshot1 | Normal | 2.20 minutes |
| (Co-op) l4d_farm03_bridge | Seriousshot1 | Expert | 4.07 minutes |
| (Co-op) l4d_farm03_bridge | Seriousshot1 | Advanced | 4.77 minutes |
| (Co-op) l4d_farm03_bridge | Seriousshot1 | Normal | 4.07 minutes |
| (Co-op) l4d_farm04_barn | Seriousshot1 | Expert | 3.48 minutes |
| (Co-op) l4d_farm04_barn | Seriousshot1 | Advanced | 3.26 minutes |
| (Co-op) l4d_farm04_barn | Seriousshot1 | Normal | 2.48 minutes |
| (Co-op) l4d_farm05_cornfield | Seriousshot1 | Expert | 8.50 minutes |
| (Co-op) l4d_farm05_cornfield | Seriousshot1 | Advanced | 7.01 minutes |
| (Co-op) l4d_farm05_cornfield | Seriousshot1 | Normal | 5.96 minutes |
Crash Course
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) l4d_garage01_alleys | Seriousshot1 | Expert | 11.16 minutes |
| (Co-op) l4d_garage01_alleys | Seriousshot1 | Advanced | 6.50 minutes |
| (Co-op) l4d_garage01_alleys | Seriousshot1 | Normal | 5.13 minutes |
| (Co-op) l4d_garage02_lots | Seriousshot1 | Expert | 10.22 minutes |
| (Co-op) l4d_garage02_lots | Seriousshot1 | Advanced | 7.08 minutes |
| (Co-op) l4d_garage02_lots | Seriousshot1 | Normal | 7.00 minutes |
Custom Maps
| Map | Name | Difficulty | Time |
|---|---|---|---|
| (Co-op) bdp_bunker02 | Seriousshot1 | Advanced | 20.24 minutes |
| (Co-op) bdp_bunker04 | Seriousshot1 | Normal | 16.20 minutes |
| (Co-op) c2m3_coaster_l4d | Seriousshot1 | Expert | 7.85 minutes |
| (Co-op) c2m4_barns_l4d | Seriousshot1 | Expert | 3.59 minutes |
| (Co-op) c2m5_concert_l4d | Seriousshot1 | Expert | 8.70 minutes |
| (Co-op) c4m2_sugarmill_a_l4d | Seriousshot1 | Normal | 10.48 minutes |
| (Co-op) c4m3_sugarmill_b_l4d | Seriousshot1 | Normal | 7.38 minutes |
| (Co-op) c4m4_milltown_b_l4d | Seriousshot1 | Normal | 4.85 minutes |
| (Co-op) c4m5_milltown_escape_l4d | Seriousshot1 | Normal | 7.08 minutes |
| (Co-op) ft_m3_sewers_08_b | Seriousshot1 | Expert | 6.75 minutes |
| (Co-op) ft_m4_hospital_08_a | Seriousshot1 | Expert | 8.81 minutes |
| (Co-op) ft_m5_rooftop_08_a | Seriousshot1 | Expert | 7.70 minutes |
| (Co-op) l4d_city17_02 | Seriousshot1 | Expert | 9.21 minutes |
| (Co-op) l4d_city17_02 | Seriousshot1 | Advanced | 9.89 minutes |
| (Co-op) l4d_city17_03 | Seriousshot1 | Expert | 9.53 minutes |
| (Co-op) l4d_city17_03 | Seriousshot1 | Advanced | 8.11 minutes |
| (Co-op) l4d_city17_04 | Seriousshot1 | Expert | 9.08 minutes |
| (Co-op) l4d_city17_04 | Seriousshot1 | Advanced | 10.08 minutes |
| (Co-op) l4d_city17_05 | Seriousshot1 | Expert | 8.40 minutes |
| (Co-op) l4d_city17_05 | Seriousshot1 | Advanced | 7.91 minutes |
