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Re:Unreal Engine 4 is now available to everyone for free by antiuniverse on Monday March 02, 2015 @04:05PM (#9134313)
https://forums.unrealengine.com/showthread.php?52618-Large-S...

According to this thread, as of version 4.6, the maximum supported multiplayer map size out of the box is 20km x 20km. Is this the limitation you were referring to? That wouldn't accommodate an MMORPG or Minecraft, but otherwise seems quite big.

Re:Unreal Engine 4 is now available to everyone for free by Havoc on Monday March 02, 2015 @07:56PM (#9135493)
Never understood the concept of measuring map size in km. It's like measuring distance on a map while ignoring scaling. Something like source's hammer units make a lot more sense to me.
Re:Unreal Engine 4 is now available to everyone for free by neckro23 on Monday March 02, 2015 @08:16PM (#9135549)
In Source the scale is fixed (1 "unit" ~= 1 inch) and I imagine the same's true for UE.
Re:Unreal Engine 4 is now available to everyone for free by antidamage on Monday March 02, 2015 @09:02PM (#9135700)
1 unit = 1cm in UE, so 20km has some value as a measurement in game.

Of course, what matters more is what you do in that 20km, but it's also a limit coupled tightly with distant mesh performance and float accuracy issues.

Re:Unreal Engine 4 is now available to everyone for free by venomsnake on Tuesday March 03, 2015 @07:53AM (#9137399)
It would accommodate MMORPG - that is couple of times the area of WOW during it peak years.
Re:Unreal Engine 4 is now available to everyone for free by talmand on Tuesday March 03, 2015 @10:00AM (#9137910)
Also, keep in mind that's likely 20km x 20km x 20km.
Re:Unreal Engine 4 is now available to everyone for free by alexgrist on Monday March 02, 2015 @10:08PM (#9135889)
Isn't that the use case for Level Streaming?
Re:Unreal Engine 4 is now available to everyone for free by bpicolo on Monday March 02, 2015 @08:50PM (#9135661)
sure it would. you don't have to load it all at once