stages:
s0000 - ?
s0001 - ?
s0002 - ?
s0003 - ?
s0008 - ?
s0009 - ?
s0010 - ?
s0020 - ?
s0101 - Leon chapter 1, "1-3 Underground"
s0102 - Leon chapter 1, "1-4 The Town"
s0103 - Leon chapter 1, "1-5 Gun Shop" (agent hunt)
s0104 - Leon chapter 1, "1-1 Campus - Visitors Room" (demo1 level)
s0105 - Leon chapter 1, "1-2 Campus" (demo2 level)
s0200 - Leon chapter 2, "2-2 Graveyard" (agent hunt)
s0201 - Leon chapter 2, "2-3 Cathedral"
s0202 - Leon chapter 2, "2-4 Underground Lab"
s0203 - Leon chapter 2, "2-7 Altar Corridor" (also Leon chapter 3-1) (also Ada chapter 2-2) (4 player coop)
s0204 - Leon chapter 3, "3-2 Catacombs"
s0206 - Leon chapter 3, "3-3 Cavern" (agent hunt)
s0207 - Ada chapter 2, "2-1 Forest Cemetery"
s0209 - Leon chapter 2, "2-6 Primitive Altar"
s0210 - Leon chapter 2, "1-1 The Bus"
s0250 - Leon chapter 3, "3-4 Underground Water Channel"
s0272 - Ada chapter 2, "2-3 Underground Lab"
s0279 - Leon chapter 2, "2-5 Primitive Altar Entrance"
s0300 - Chris chapter 2, "2-1 City in Eastern Europe" (demo2 level)
s0301 - Chris chapter 2, "2-2 The Bridge"
s0302 - Chris chapter 2, "2-3 In Front of City Hall" (also Jake chapter 1-4) (4 player coop)
s0303 - Chris chapter 2, "2-4 City Hall"
s0304 - Jake chapter 1, "1-1 The Sewer"
s0305 - Jake chapter 1, "1-2 Water Channel" (demo1 level)
s0306 - Jake chapter 1, "1-5 Inside the Helicopter"
s0307 - Jake chapter 1, "1-3 Undeground Passage"
s0400 - Jake chapter 2, "2-1 Mountain Path" (agent hunt)
s0401 - Jake chapter 2, "2-2 Snow-Covered Mountain"
s0402 - Jake chapter 2, "2-3 Cave"
s0500 - Chris chapter 1, "1-1 Main Street"
s0501 - Chris chapter 1, "1-2 Back Street"
s0502 - Chris chapter 1, "1-3 Rooftops" (demo1 level)
s0503 - Chris chapter 1, "1-4 Tenement"
s0504 - Chris chapter 3, "3-1 Tenement - Poisawan Entrance"
s0506 - Chris chapter 3, "3-2 Poisawan Courtyard" (also Jake chapter 4-2) (4 player coop)
s0507 - Chris chapter 3, "3-3 Poisawan Inner Area"
s0508 - Chris chapter 3, "3-4 Stilt Housing Area" (agent hunt)
s0509 - Ada chapter 3, "3-2 Shopping District"
s0510 - Leon chapter 4, "4-2 Airplane Crash Site" (also Jake chapter 4-5) (4 player coop) 
s0511 - Leon chapter 4, "4-3 Market" (agent hunt)
s0512 - Leon chapter 4, "4-4 Medical Research Center" (also Chris chapter 3-5) (4 player coop)
s0514 - Leon chapter 4, "4-5 Train"
s0515 - Jake chapter 4, "4-3 Poisawan - Shopping District"
s0516 - Ada chapter 3, "3-3 Train"
s0550 - Chris chapter 4, "3-6 Main Thoroughfare"
s0551 - Jake chapter 4, "4-1 City and Highway"
s0552 - Leon chapter 4, "4-1 Inside the Airplane"
s0574 - Ada chapter 3, "3-1 Tenement - Bin Street"
s0578 - Jake chapter 4, "4-6 Stilt Housing Area" (also Ada chapter 3-4) (4 player coop)
s0579 - Jake chapter 4, "4-4 Shopping District" (demo2 level) (agent hunt)
s0600 - Jake chapter 3, "3-1 Research Facility - Detention Center"
s0601 - Jake chapter 3, "3-2 Research Facility - Living Quarters" (agent hunt)
s0602 - Jake chapter 3, "3-3 Research Facility - Entrance"
s0700 - Leon chapter 4, final level
s0701 - Leon chapter 5, "5-2 High-Rise Area"
s0702 - Leon chapter 5, 5-4 "Quad Tower" (also Ada chapter 5-4) (4 player coop)
s0703 - Ada chapter 5, "5-3 Quad Tower Roof"
s0704 - ?
s0705 - Ada chapter 5, final level
s0706 - Leon chapter 5, "5-3 Quad Tower Entrance" (also Ada chapter 5-2) (4 player coop)
s0751 - Ada chapter 5, "5-1 High-Rise Area"
s0770 - Leon chapter 5, "5-1 Port Area" (also used as end of Leon chapter 4?)
s0771 - Prelude
s0773 - Leon chapter 5, "5-5 Quad Tower Roof"
s0800 - Chris chapter 4, "4-1 Aircraft Carrier - Rear Hangar" (agent hunt)
s0801 - Chris chapter 4, "4-2 Aircraft Carrier - Bridge"
s0802 - Ada chapter 4, "4-1 Aircraft Carrier - Forward Hangar"
s0804 - Ada chapter 4, "4-3 Aircraft Carrier Interior"
s0851 - Chris chapter 4, "4-4 Airspace over Aircraft Carrier"
s0871 - Ada chapter 4, "4-2 Aircraft Carrier - Bridge"
s0872 - Chris chapter 4, "4-3 Aircraft Carrier - Forward Hangar" (agent hunt)
s0901 - Chris chapter 5, "5-1 Underwater Facility" (agent hunt)
s0902 - Chris chapter 5, "5-2 Underwater Facility - Lower Levels" (also Jake chapter 5-2) (4 player coop)
s0903 - Chris chapter 5, "5-4 Emergency Escape Route"
s0904 - Jake chapter 5, "5-1 Underwater Facility 1" (agent hunt)
s0905 - Jake chapter 5, "5-3 Underwater Facility 2"
s0950 - Jake chapter 5, "5-4 Shipping Center"
s0972 - Chris chapter 5, "Destruction of the Underwater Facility" (cutscene)
s0973 - Chris chapter 5, "5-5 Emergency Escape Route"
s1000 - Ada chapter 1, "1-1 Submarine Interior"
s1001 - Ada chapter 1, "1-2 Submarine - Reactor"
s1003 - Ada chapter 1, "1-3 Submarine - Torpedo Room"
s1100 - Leon chapter 1, intro (cutscene)
s1101 - Jake chapter 1, intro (cutscene)
s1102 - Leon chapter 5, outro (cutscene)
s1110 - Chris chapter 1, intro (cutscene)
s1111 - Chris chapter 5, outro (cutscene)
s1112 - Chris chapter 5, intro (cutscene)
s1120 - Jake chapter 5, outro (cutscene)
s1130 - Ada chapter 1, intro (cutscene)
s1140 - Special ending (cutscene)
s1151 - Leon/Jake chapter 4, encounter with Simmons (cutscene)
s1152 - Leon chapter 3, "To China" (cutscene)

mercenaries stages:
s1200 - Rail Yard
s1201 - Requiem for War
s1202 - Urban Chaos
s1203 - Mining the Depths
s1204 - High Seas Fortress
s1205 - Catacombs
s1206 - Steel Beast
s1207 - Rooftop
s1208 - Creature Workshop
s1209 - Liquid Fire

no mercy stages:
s1210 - Rail Yard
s1211 - Requiem for War
s1212 - Urban Chaos
s1213 - Mining the Depths
s1214 - High Seas Fortress
s1215 - Catacombs
s1216 - Steel Beast
s1217 - Rooftop
s1218 - Creature Workshop
s1219 - Liquid Fire

onslaught stages:
s1300 - Rail Yard
s1301 - Requiem for War
s1302 - Urban Chaos
s1303 - Mining the Depths
s1304 - High Seas Fortress
s1305 - Catacombs
s1306 - Steel Beast
s1307 - Rooftop
s1308 - Creature Workshop
s1309 - Liquid Fire

survivors stages:
s1400 - Rail Yard
s1401 - Requiem for War
s1402 - Urban Chaos
s1403 - Mining the Depths
s1404 - High Seas Fortress
s1405 - Catacombs
s1406 - Steel Beast
s1407 - Rooftop
s1408 - Creature Workshop
s1409 - Liquid Fire

predator stages:
s1500 - Rail Yard
s1501 - Requiem for War
s1502 - Urban Chaos
s1503 - Mining the Depths
s1504 - High Seas Fortress
s1505 - Catacombs
s1506 - Steel Beast
s1507 - Rooftop
s1508 - Creature Workshop
s1509 - Liquid Fire

siege stages:
s1600 - Rail Yard
s1601 - Requiem for War
s1602 - Urban Chaos
s1603 - Mining the Depths
s1604 - High Seas Fortress
s1605 - Catacombs
s1606 - Steel Beast
s1607 - Rooftop
s1608 - Creature Workshop
s1609 - Liquid Fire