Merge Rush Z is an addictive free zombie shooter game where you merge powerful guns to battle zombies with your heroine and her squad. Zombies pose a variety of challenges with their size, speed, abilities and powerful bosses! Engage in thrilling firing action, using a combination of guns, deadly items and your wits to clear the zombie waves. Tap, bang and blast your way to survive the Zombie Outbreak! zombie shooter,merge game,zombie game,merge rush z,free zombie shooter,gun merging,zombie survival,action game,mobile game,adventure game,zombie outbreak,1player,attack