Foes.io, a new.io title, has a different concept than the others. Instead of playing endlessly you compete in rounds and attempt to be the last man standing. You must compete against other players in combat and survive each round. If you die, you can't respawn until round 2.Foes.io, a new.io title, has a different concept than the others. Instead of playing endlessly you compete in rounds and attempt to be the last man standing. You must compete against other players in combat and survive each round. If you die, you can't respawn until round 2.