pause .... .

how do i pause the entire scene in unity?


function Update ()
   Time.timeScale = 0;

this should pause the game when the left mouse button is pressed.

OrangeLightning's answer is the easiest way.

If you want a more complex solution with menues look at the wiki: PauseMenu

This only works for gameobjects whos actions are based on time and not framerate though. You should also add an audiopause and add a if(Time.timescale == 1.0) to all non-time base objects.

I accidentally find this video.