- There is no fundamental reason why UE4 can’t handle hundreds of people in the same area, though that is really up to your execution.
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Based on our experience with a large amount of actors, this is not true. UE4 actors are very expensive, especially when you move them around. I would be very surprised to see a MMO with hundreds of players moving around in the same area and executing more or less complex game logic, at least not with average PC hardware or the current gen consoles.
Cheers,
Sascha