Hi, I'd like to know how to stop my game to feel laggy. I tried to debug with the source and timeline profile, but it's not really helping as most indications redirect to phaser loop and requestAnimationFrame functions. How to you guys do to make games which are not janky especially on mobile ? I don't particularly do big calculation in my code, I'm just rendering sprite and moving them. Some event on click and collide, but nothing too fancy... It's making me crazy, what if it's bigger games with big calculations, nothing will works... I'm a HTML5 and JS enthousiast, but right now I feel a little depressed about JS games. People makes unreal engine with JS, and I never achieved to make 5sprites game with good perfs I read this article, but nothing seems to help, really http://www.html5rocks.com/en/tutorials/canvas/performance/ Any help welcomed, thx very much. EDIT : For instance, this game is way more complicated, has particles, multiple objects moving, etc... but I don't see that much of FPS drops;