Sword.io is a fun and addictive Battle Royale Fortnite style .iO game. Take part in a new HTML5 multiplayer match and always avoid hits for survival. Additionally, moving constantly around the map when you play Sword.io free online will help you make the other people hard to kill you. But, you should remember to pick up swords. They are good at defending and attacking. With the number of rivals that you destroy, you will have the chance to rank up and dominate.