I second this, UE4 marketplace content would allow any category and would cover everything polycounters do too, so no one would be left out. If it's not the contest, I do hope they have one eventually one day.
wishing they would announce it at some point today since this is a 3 day weekend for us in America. Makes me think with the title as "world's biggest video game" that it would be Riot or Blizzard, unless by biggest they mean game size, maybe (as opposed to player base?) Excited to see what gets put out there.