Other players may enter the server at any time if they are running the client program. The administrator may type Console Commands into this program to change maps or otherwise manage the server. The server program initializes a server upon startup, allowing for a quick and automatic setup for a dedicated server running Introduction. There are two programs that must be downloaded individually, one for the client and one for the server. While John Carmack had plans to bring back support, it was never completed and therefore only used for Multiplayer purposes. Single Player or Cooperative games are not supported by this source port.

As major changes were made to the engine the programmer, John Carmack, decided to separate the two engines so that neither interfered with the other's code (which could possibly otherwise cause conflict with the Single Player game).

QuakeWorld is an official Multiplayer source port made by id Software for Quake that was released in December of 1996 and updates the Multiplayer source code.

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