CSO: Zombies, Hold Out as Long as Possible! Game

In the "CSO: Zombies, Hold Out as Long as Possible!" you will find yourself in a world overrun by bloodthirsty zombies. As the last survivor in a post-apocalyptic environment, you must fight against hordes of relentless undead. At your disposal are 20 potent weapons, each with unique characteristics. But that's not all! You can upgrade your weapons by installing modifications such as sights, silencers, grips, or more prominent magazines, making your arsenal even more deadly.