- when you switch from new to old in Halo 2: Anniversary, audio will also switch from new to old, not just the graphics
- Steve Vai is back for the Halo 2: Anniversary theme music
- demo of Halo 2: Anniversary weapon audio being instantly switched back and forth from old to newLockout new features: Elbow cover Lockout new features: Breakable glassnew content with Bravo, which includes map breakdowns, tips and more, coming to the Halo ChannelForge mode improvements coming to Halo 2: Anniversary
- switching from new to old in Halo CE: Anniversary will be instant, exactly like Halo 2: Anniversary
And that's pretty much all the important news and little bits of info from the Halo panel at PAX Prime 2014!