以下官方地图需要升级至牺牲以上版本：(2105版本可以无视这条)
<消逝>
c6m1_riverbank
c6m2_bedlam
c6m3_port
<牺牲>
c7m1_docks
c7m2_barge
c7m3_port
<毫不留情>
c8m1_apartment
c8m2_subway
c8m3_sewers
c8m4_interior
c8m5_rooftop
<坠机险途>
c9m1_alleys
c9m2_lots
<死亡丧钟>
c10m1_caves
c10m2_drainage
c10m3_ranchhouse
c10m4_mainstreet
c10m5_houseboat
<寂静时分>
c11m1_greenhouse
c11m2_offices
c11m3_garage
c11m4_terminal
c11m5_runway
<血腥收获>
c12m1_hilltop
c12m2_traintunnel
c12m3_bridge
c12m4_barn
c12m5_cornfield
<冷流>
c13m1_alpinecreek
c13m2_southpinestream
c13m3_memorialbridge
c13m4_cutthroatcreek
