KnifeBlades.io is an entertaining and multiplayer io game. You pick up knives, use the money to upgrade them, and use them to protect yourself and also as a weapon to fight against enemies. Enter the ring, pick up a lot of knives, and attack the enemy to become the only winner. Turn on attack mode and use flexible defense depending on your abilities. In the arena, you must defeat the enemy to become the winner. So be quick to collect knives to increase the number of knives around you. Make it an unbeatable tool.