The OFLC has given the title an MA15+ certificate, the highest possible to give. No other details were spilled by the site. Recently Acti has trademarked Sledgehammer Games.
This is believed to be a new game studio setup by Activision, and could possibly be linked with Bloodhunt in some way, reports. They are yet to comment on the revelation of the project.
In Australia, much to the frustration of common sense, the government refuses to believe that citizens are capable of intellectually and morally maturing past the age of 15. Maybe they're on to something... or perhaps just *on* something?