That's actually what I was referring to in my post above as that is what I use. Money well spent!   A packed sprite sheet uses less memory and can improve performance, especially on mobile devices with limited memory. This is much better than having an ordered sprite sheet where each frame is the same size.       TexturePacker works with a bunch of different libraries and CSS, or you could manually do it yourself. Here's a demo showing how to use the drawImage canvas method I mentioned a