Application.Quit
static function Quit(): void;
static void Quit();
static def Quit() as void
Description

Quits the player application. Quit is ignored in the editor or the web player.

IMPORTANT: In most cases termination of application under iOS should be left at the user discretion. Consult Apple's Technical Q&A qa1561 page for further details: http://developer.apple.comiphonelibraryqaqa2008/qa1561.html.
	// Quits the player when the user hits escape
	function Update () {
		if (Input.GetKey ("escape")) {
			Application.Quit();
		}
	}
using UnityEngine;
using System.Collections;

public class Example : MonoBehaviour {
    void Update() {
        if (Input.GetKey("escape"))
            Application.Quit();
        
    }
}
import UnityEngine
import System.Collections

public class Example(MonoBehaviour):

	def Update() as void:
		if Input.GetKey('escape'):
			Application.Quit()