@online{CaveStoryPlusWiki,
  author = {},
  title = {Cave Story+ Wiki},
  year = {},
  url = {http://cavestory.wikia.com/wiki/Cave_Story%2B},
  urldate = {2017-10-16}
}

usepackage[
    style=numeric,
    sorting=none
    ]{biblatex}
addbibresource{references.bib}

printbibliography[heading=bibintoc,title={References}]