How do I make Rendering Effects in BGE

How Do I Make Smoke,Sky,or any other Rendering effect you can make In the Blender Game Engine and I don’t mean Rendering I mean In-Game I’ve looked for tutorials but they are all on Rendering and not the actual In-Game Feature Any Help Would Be Nice

Skyboxes, planes with alpha textures, it’s different for the different effects. Which one would you like explained?

Like Cell shading/Toon shading or a lighting effect that somhow can only be achieved in a Render I’ve tried looking this up before and found a way to Toon shade In Game but the effect was not as good as a Rendered one, and certain Partcle effects only work in a Render and I can’t find out how to add them in game Like a Cloth or Soft body with a Wind Force Field I figured out how to do smoke In Game with Alpha Channels But that is just one thing and there is still these other problems

Think hard about what a particle is. It’s a small dot, right?
So whats so hard about making a small dot in the game engine? You can even make different color dots! or ones that change color!!!
Just think about what tools you have, and how to do it. Yes it is different, but it can be done

Soft body? Yeah, thats an option in the physics panel.

As to toon shading I don’t know, it’s not what I try to achieve in the GE.