Version: 2019.3
public static void Quit ();


exitCodeAn optional exit code to return when the player application terminates on Windows, macOS, and Linux. Defaults to 0.



Shut down the running application. The Application.Quit call is ignored in the Editor.

If you want to use Application.Quit when running Unity inside another application, see the UnityasaLibrary-Android Unity as a Library Manual page for more information.

Note: In most cases termination of application under iOS should be left at the user's discretion. Calling this method in iOS player might appear to the user that the application has crashed Consult Apple Technical Page qa1561 for further details.

using UnityEngine;
using System.Collections;

// Quits the player when the user hits escape

public class ExampleClass : MonoBehaviour { void Update() { if (Input.GetKey("escape")) { Application.Quit(); } } }