anchor.diff:      slime1.animations.play('alive', 7, true);
       slime1.scale.setTo(1.1, 1.1);
       slimes.push(slime1);
  -  }, 1000);  
  +  }, 6000);  
   
     setTimeout(function(){
       slime2 = game.add.sprite(Math.random()*600, Math.random()*600, 'slime')
  
positive.code:     slime3.animations.play('alive', 4, true);
      slime3.scale.setTo(1.3, 1.3);
      slimes.push(slime3);
    }, 3000);
  
    setTimeout(function(){
      slime4 = game.add.sprite(Math.random()*600, Math.random()*600, 'slime')
  
negative.code:     slime6.animations.play('alive', 6, true);
      slime6.scale.setTo(1.5, 1.5);
      slimes.push(slime6);
    }, 1000);
  
    // setup boss health, initial position, enable physics on this object
    boss.health = 10;
  