Application.Pause

Description

Pause player application in QNX and EmbeddedLinux.

Resume player by calling Application.Resume() or send SIGCONT after this function is called. Only Platform QNX and EmbeddedLinux supports Application.Pause.

using UnityEngine;
using System.Collections;

// Pause player 5 seconds later

public class ExampleClass : MonoBehaviour
{
    float timer = 0;
    void Update()
    {
        timer += Time.deltaTime;
        if(timer >= 5)
        {
            timer = 0;
            Application.Pause();
        }
    }
}