Your zone to play free online HTML5 Games no download at Round Games. HTML5 Games is the definitive source for free games to be played in your mobile or stationary browser. With HTML5 you no longer have to chose between games you can only play either on your PC or on your mobile phone or tablet. Our games are cross-platform, which means you can play on any device you like, wherever you are and whenever you want. This type of game technology can be applied to any game genre. We have collected some of the best free online Games to play now without download on Round Games. These games include browser games for both your computer and mobile devices. Enjoy and have fun.