City Siege 4 is back! Fight and equip your team with unique skills, upgrades and abilities (call for air force or other attacks). Save your team from the harsh captivity of aliens were hundreds of your men are under their control! Use weapons and advanced skills to shoot enemies and wipe out different parts of the world you are in. Use the mini-map to spot enemies during combat. With money, you will be able to have several characters that you control at the same time and with different abilities. Do not forget to upgrade your characters! Death to all aliens!