https://blog.faceutil.com/2017/04/25/%ec%95%a1%ec%85%98-dead-island-%eb%8d%b0%eb%93%9c%ec%95%84%ec%9d%bc%eb%9e%9c%eb%93%9c-%ed%95%9c%ea%b8%80%ed%8c%90-%ed%86%a0%eb%a0%8c%ed%8a%b8-th/