Use WASD to move around and click to shoot. See how many zombies you can kill before the zombies kill you! The zombies get faster as you go so be ready. When you die click green flag again.
I got some of my inspiration from @ZonxScartch but the rest was original. I will try to update soon, enjoy! Click the green flag twice to prevent most bugs. THANK YOU FOR SO MUCH FOR 300 VIEWS, GO TO MY PROFILE FOR MORE!