Play Challenge Of The Zombies game from Friv 2018 for free. Challenge Of The Zombies is an online Friv Action games which you can play for free here on Friv games! Make bullet fly to shoot zombies! Challenge of friv zombies is friv physics-based shooting game where you fire super-bouncy bullets to eliminate all friv zombies friv each level. The goal is simple, all you have to do is kill friv zombies with friv least amount of bullets. You must aim carefully and make each bullet count