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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Not even close. The Star Wars universe is so much bigger and deeper. Granted the Halo universe hasn't had the disappointments in story telling Star Wars has but it's told far fewer stories.