Knife.io is multiplayer new io game. Addictive and innovative io game! Collect blades, knife, weapon and use your spin to slay your enemies in this furious sword mayhem! Who will survive in this crazy IO battle of guts and steel? Knife.io,multiplayer IO game,sword battle,online PvP,action game,hypercasual game,blade collection,weapon,slay enemies,battle mayhem,mouse control,survival game,sword showdown,online gaming,mobile game