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When set to true, the TestService will be executed when using the Run action in Roblox Studio.


  • If the TestService/NumberOfPlayers property is set to a value above 0, running the game will open NumberOfPlayers + 1 studio windows, where one window is a server, and the rest are players connected to that server.
    • Try to keep this value within a rational range (1 to 8 players at most), or else your computer’s CPU will get overloaded.