There's a time and a place for io games, and they bring up memories of sitting bored at school or work, seeking for something to keep you engaged that will get past your network's filters. They're not only for browser-based gamers, though: many of the greatest io games are ideal for a casual evening spent online with friends, as they don't require any purchases or downloads. You'll have a great time with these games if you keep your expectations in check.
These games are intended to keep you engaged for short periods of time, although a couple on this list can be mastered if you're eager to learn. From puzzle games to battle royales, there's something for everyone.