You do not need to change this. Scale modes are applied to rendered frame. It means that 100 pixels distance in your game is always 100 pixels regardless of final scale. In case you changed x dimension of game... ok, you can now see more of the game world, but 100 pixels is still 100 pixels.  Here in attachment you will find "minimal game" - just press space to jump from platform to platform (F5 reload when dead). It scales dynamically when running. There are monsters placed on some platfor