When I place somewhere THDR, then pause the game, i cannot delete it easly. i have to keep right mouse clicking one particle lots of times. then it succesfully disappears. it is version 86.1
@ciastkoibeza(View Post) Some particles can exist in the same place as other particles (that's how NEUT and PHOT and, as it seems, THDR work). I've used the same concept in a few of my lasers: