To level up quickly in ZombieHunter.io on Abcya games, you must combat zombies and acquire experience. Eliminate your opponents one by one until you are the sole survivor of the conflict. Join a large group of hunters and prepare for an unforgettable adventure! Defeat the zombies that cross your path and attempt to keep your life safe from their attacks. Scroll over a big area collecting power ups and attempting to be the battle's last survivor! Use the WASD or arrow keys on the keyboard to control the character's movement. Press F to boost speed.