The very best there is. Even if it is being supplanted by mobile games that provide more premium, on-the-go experiences, io games will continue to exist. Despite the flash, tiny, browser-based minigames continue to provide an intense multiplayer rush.

The best.io games are still a viral phenomenon thanks to Twitch streamers and their appearance in an episode of House of Cards. The ".io" extension is an abbreviation for British Indian Ocean Territory, but it gained popularity after Agar.io, one of the first super popular multiplayer.io games, used it, giving the genre its name.

For more intense action, check out the best Android games.

These are the best games of the year so far.

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