- last post: 01.01.0001 12:00 AM PDT
This might belong in a different forum, but it's fine
A killer app means that it's THE game to have. When Xbox launched back in 2001, Halo was the killer app, mostly because it generated so much hype
And it outdid that hype
And now, people will start to say that Halo 2 is the killer app for Xbox Live, or if you don't have one already, the Xbox itself