User blog comment:Blood Reaper/42 New Concept Art Images/@comment-4113369-20111030143722/@comment-76.27.236.231-20111102035149

Fallout: New Vegas for the 360 is about 6.5 GB as well.

I really hope this is correct though because I have next to no space left on my hard drive.

Can someone explain to me a little bit how compression works?