Monkey Gems is a free online game where you help BenBen the monkey by slinging colored gems to make matches in this free Zuma-style game. Play today!. Play GEMZ! FREE online NOW! Discover our awesome gem -sliding puzzle game ! Clear the playfield making groups of 3 or more gems of one color to pass the. Gem Invasion, Don't be distracted by the rows of sparkling jewels! They're coming for you.