Operation ECHO – Alpha Demo

Operation ECHO is a very impressive Metal Slug and Megaman inspired run n’ gun side scrolling shoot ‘em up built within the GZDoom engine, which sees you blasting your way through an army of mutant who have overrun Earth.

First thing’s first, the GZDoom engine is built specifically for running old school Doom-style FPS games, so quite how the devs behind Operation ECHO have … Read More