The best zombie shooting games may be found in Survivor.io Revenge. You will have to engage in combat with these zombies using your weapons.

Deadly zombies standing by to swarm the city. You must assume the noble duty of protecting the city as a human fighter with limitless potential. Zombies are horrifying and evil! The horde vastly outnumbers you; one slip-up might land you in hot water! You may make the best use of all of your weapons, shields, physical prowess, ammunition, drones, and other resources to defend yourself and prevail.

Characteristics

Take down a lot of monsters at once!
Clear the map by using the controls with one hand!
Experience brand-new, unfettered roguelite skills.
Feel the fervor of the varied difficulties of each new stage.

As you move the mouse or your finger across the locations, keep it pressed down on the screen to fire automatically at any zombie enemies you come across and earn coins for each one you kill. Purchase new skins with the money you've earned, but more importantly, new weapons and upgrades. You may live longer each time you visit the infected city by using them to better control the hordes of zombies.