Thanks to the web, it's easier than ever to procrastinate or pass the time while we're bored. Among one of the most enjoyable ways to do this is by playing fun, simple games that require little in the way of thought, concentration or commitment. The best part? There are tons of these games available inside your browser -- no need to download any of them! With HTML5 growing in popularity as Flash starts to fade, the Tom's Guide team has put together a round-up of some of their favorite HTML5 games. Check out '20 HTML5 Games to Pass the Time' for the full run-down.