Although it is a purchased asset, you can now download it for nothing. Please keep in mind, though, that this package is not intended for business use; rather, it is simply offered so that you can research or try the product before buying it.
Overview:
This set of rain particle systems includes systems for creating raindrop, ripple, bubble, and splash effects. The Wind Zone is supported by all raindrops.
The package includes a "blood rain" variant for each of the three degrees of rain prefabs (Light Rain, Moderate Rain, and Heavy Rain). To create the rain effect, simply drag & drop one prefab into your scene!
Highlights:
- twelve rain-prefabs.
 - four demo sequences.
 - Raindrop, ripple, bubble, and splash all have four textures.
 - 1 skybox labelled "poor weather."
 
