Halo 3 has already sold a million copies

halo-3-million.jpgA cheerful Microsoft reckons that on American pre-orders alone, the latest in the Halo mega-franchise has already sold more than one million copies.

As well as this advance blockbuster warning, Microsoft also had its world-spamming Halo 3 publicity plans revealed on the Wall Street Journal, which also points out the awesome fact that video games hauled in $31.6 billion last year…