Some of you might remember when a 3mb flash animation could pack in some 5 minutes of animation, with the more advanced ones even having chapter/scene selectors, which could also include clickable easter eggs and other kinds of interactions during the scenes.
That’s not really true. You can do animation in HTML5 just like you could in flash. In fact, there are even quite a few ways you can acomplish the same.
All of that allows for animation, games and interactivity, no problem.
There are dozens of tools that allow you to build flash-like animation and package it easily. Tons of game engines allow to export to HTML5, just at the press of a button. And there are still websites hosting browser games that fill that spot. There’s even HTML5 browser games that run in VR.
But there are two big caveats: