IO games are becoming more and more popular, with millions of players participating in IO games. You can find a wide variety of browser games, from casual to action to Battle Royale.

In today's list, we won't include pure Battle Royale games, which do have elements of survival games, in our list of the best browser survival games, because that's a huge topic in its own right. In this list, we will rank hardcore/pure survival games that you can play on your browser without a 0MB download.