Operation ZERO Outnumbuh'd!

Operation ZERO Outnumbuh'd! was one of those straightforward action games you'd find during the Flash era. It had a simple premise that fit right in with the quick, browser-based games of the time.

You control a soldier fighting through waves of zombies. You move with the arrow keys, using Z to fire your weapon and X for a more powerful special attack. The main goal is to survive the onslaught, protecting civilians or key points from being overrun. The pacing is relentless, with enemies closing in from all sides, and the difficulty ramps up quickly as more powerful zombies appear. It feels like a constant, tense scramble to hold your ground.