DO NOT PLAY THIS GAME IF YOU ARE SENSTIVE TO FAST MOTION,FLASHING LIGHTS, LOUD SOUNDS, AND VIOLENCE. CORE is a "Retro" style fps or rather fpp [first person puncher?] about a robot going into the earth and destroying it from the inside out. The gameplay is level based with many waves of enemies housed within them. Every fourth level of an Act you will fight and destroy an Earth