

Earth Defence Force. Basically, you are participating in a B-movie scenario, with UFOs, kaiju, giant ants, flamethrower clams, and winged frogs. It is quite a good time, and the higher difficulties require genuine skill and cooperation.
EDF 6 is the best in the series from a gameplay standpoint, but is far weaker than 4 or 5 when it comes to the level design + narrative. Still, the QOL pushes the game to the next level, especially if you got pals to tackle the missions. There many different weapons, not just in power, but also shot pattern, reload style, knockback, and so forth. Also, there WILL be hundreds of enemies on onscreen at any given moment. Each of the four classes have very distinct characteristics when it comes to loadout, mobility, and purpose, so you should be able to find a good match for yourself.
The difference between security measures and medical measures: the lack of the latter kills peasants, the presence of the former suppresses them. Win-win, if you a wealthy ghoul who thinks the poors are filthy takers.