Sword.io is an HTML5 multiplayer game similar to the style of Battle Royale Fortnite. It is an unblocked race in which you need to dominate the top spot as soon as possible. Play Sword.io free online you should collect weapons and deploy them properly so as to protect yourself from critical hits and eliminate the foes! Remember to move to another place and dodge the other's assault or you will be killed! Join and earn coins to buy upgrades now!