In the weekly update a log that depicted a conversation between a military personnel and SI had the words
UNSC "Office of Naval Intelligence" in other words ONI
The SI has a "obsession with keeping it clean." In Oni the planet was extremely polluted.
http://en.wikipedia.org/wiki/Oni_(video_game)Last but not least, the weekly update depicted a digital corruption. In Oni, an AI grew to smart (and evil apparently) and started to corrupt and take over the digital world.