Um...

Is there a tutorial on particle interaction? :expressionless: :expressionless: :expressionless:

read : https://blenderartists.org/forum/viewtopic.php?t=1223

with each other?
no, because they can’t do that

with objects, sorta but not really:
http://blender3d.org/cms/Particle_interaction.349.0.html

RAYClovis:

please set correct topic so others can understand what the thread is about (or question)

/ztonzy