Who wins?
By entire, I mean EVERYTHING. Halo, for example, would have all of the Precursors, Forerunners, Covenant, Flood, and Humans all teamed up against ALL the Star Wars universe
They all have their technology as well. Halo has their Halo Rings and such, Star Wars has all their Star Destroyers and Death Stars and all that
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Pre EU wipe, Star Wars wins. No competition. Even if only through sheer numbers. No matter what you say, a MAC gun can [i]only[/i]shoot three capital ships at once. The Star Wars universe has God knows how many of those. Enough to swarm all of the Halo universe. Post EU wipe, it would be a very good fight, but because of the Jedi and massive armies of Clone Troopers and Battle Droids, I'd still guess SW.