Sword.io HTML5 Multiplayer is a Battle Royale game in the style of Fortnite. Feel free to play Sword.io online and test your fighting skill now. In this title, you have to accumulate as many swords as possible. These swords will be used as a defense or attack. This means you must aim then attack enemies while releasing the swords to defend yourself from their shots. Don’t try to hold for too long because it can make you lose more swords than releasing. Can you work your way to the top? Play Sword.io game now!