*[http://www.nincatalog.com/index.asp?halo=27 ''The Slip'' at nincatalog.com]
*[http://theslip.apocalyptech.com Un-official The Slip owners database]
*[http://dl.nin.com/kml/slip_dls.kml Google Earth KML file] to show worldwide download stats
{{Halo
|number=27