Hello, I have a question on particle system orientation (you guessed it ) I'm not talking about the particle orientation themselves, but the system. Although set as billboard and alignment to view, they actually play in the object direction: On a side wall they will play like so: On a back wall it will play like so. You do not see the blue axis because in this case it is facing the camera. I would have thought that the game object orientation does not matter and the particle will always play in the direction of the camera. I also tried with the default particle system without touching anything. It is played in the direction of the game object, not the camera. Maybe I have a wrong definition of "billboard" but to me billboard means always facing the camera. What did I not understand ?