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Star Trek: Enterprise x Deep Rock Galactic
(i.imgur.com)
People tweeting stuff. We allow tweets from anyone.
RULES:
I'm not sure when Microsoft (IP owner as of Oct. 5, 2007) should have made a Halo MMORPG (WoW Classic) or MMOFPS (PlanetSide 2)... but that should have. Factions could be USMC and Covenant. I could see it working out well to have things like WoW battlegrounds.