Suburban Karate Master Home Suburban Karate Master 0.0 / 5 ( 0 votes ) Your Rating? Discover Suburban Karate Master – Play Free Now on GameHard! Gumball is a karate master! He is running along the city streets and fighting against evil ninjas. Help him to defeat all his enemies and collect all energy drink cans on his way. Be careful and try to overcome all obstacles. Categories in which Suburban Karate Master is included: Arcade Puzzle 1 Player