Population (Apocalypse)
The population of Mega-Primus is very varied. Here is an overview of the different characters that X-COM may find and interact with in the buildings and streets of the city.
Megapol Officer
Megapol police officers are responsible for enforcing law and order on the city. Since they are also well armed they would be of a great help during Battlescape but unfortunately they will never be present when X-COM is reacting to alien alerts at their buildings.
The only way to meet (and fight) officers in combat is if Megapol has turned hostile towards X-COM or if X-COM is conducting deliberate raids on their buildings.
Cult Member
They appear during raids on their temples and during their retaliations against X-COM's bases. Due to the cult's general hostile attitude towards X-COM it will be very likely for both sides to engage in raids since raiding their temples can be very profitous (and dangerous) to X-COM.
Cult members are heavily armed and will retaliate with whom they see as a threat to them and their alien allies. They equip themselves from the beginning with the latest weaponry, including missile launchers like the Heavy Launcher and the Minilauncher. Later in the game they'll switch to Devastator Cannons, Personal Disruptor Shields, Vortex Mines and even Dimension Missile Launchers.
Gang Member
These are the troops of Psyke, Diablo and Osiron and will appear on missions on their Slums if the gang that owns the building is hostile to X-COM. They will also shown up on Base Defense missions.
Like cultists, gang members are also dangerous. Their slums are packed with shock troopers equipped with the biggest weapons around and they'll regularly engage in raids against other organizations.
Security Guard
These compose the security forces employed by the Government and all major legal corporations and organizations. They will not be heavily armed and usually are more of a nuisance than a real threat, although there can always be nasty surprises.
Some organizations may employ guards with different coloured uniforms.
Civilian
Civilians will be found on every Mega-Primus mission that involves an alien investigation on a building. They won't take cover, they will run as if in panic without a direction.
Of particular note is that the aliens don't actively attack them. This is fortuitous for X-COM, however the various civilian deaths that do occur are frequently caused during a crossfire between X-COM and any hostile forces in the area. The best way to prevent civilian deaths is to move the battle away from the civilians.
Civilians do not otherwise count towards the mission score.
X-COM Technical Personnel
During base defense missions any X-COM Scientists and Engineers assigned to the base will be vulnerable to hostile agression. X-COM personnel can be directed to move to any location but they will be unable to use any weapons.
Survival of X-COM personnel is one of the highest priorities for X-COM Agents while repelling raids. Because technical staff can be assigned to armed personnel before the base raids begin, it is recommended that some armed agents accompany them and escort them to a place of safety in the base.