Cannot speak for Unity, but Epic certainly do: https://wiki.unrealengine.com/Dedicated_Server_Guide_(Windows_%26_Linux) https://wiki.unrealengine.com/Dedicated

Cannot speak for Unity, but Epic certainly do: https://wiki.unrealengine.com/Dedicated_Server_Guide_(Windows_%26_Linux) https://wiki.unrealengine.com/Dedicated_Server_Guide_(Window... https://wiki.unrealengine.com/Standalone_Dedicated_Server https://wiki.unrealengine.com/Standalone_Dedicated_Server