Knife.io is an iogame where the sharpest lives are the deadliest to lead. In knife.io much like in life, you're either cutting edge or stabbed in the back. This is a fast-paced arena game of collecting knives and stabbing your way through the opposition. Create a swirling forcefield around yourself and then harness the power of those spinning blades and crush your enemies. Beware obstacles, avoid interlopers, grow your collection of knives and slash it up with the best of them. Take a stab at the big time with this fun-paced arena game of slashing and smashing. While others were busy with their social life you studied the blade and now that the barbarians are at the gates it is time for you to prove yourself. Collect gold to unlock fancy new blades and daring new avatars to take on your opponents.
Use your mouse to guide the movements of your avatar. Click on your avatar in order to go into a defensive position and reposition your blades for maximum effectiveness against attacks. Collect knives scattered about the arena in order to build up your spinning cyclone of fury.