This is a paid asset, but now you can download Alien Planets Vol.2 for FREE, Please keep in mind this package is provided only for learning purposes or to be able to test before buying the product, NOT FOR COMMERCIAL PURPOSES.
For more detail this asset from the Unity Asset Store: Click Here
Alien Planets Vol.2 v1.0
“If possible, please buy the package to support the developer”
Assets to create your own Alien Planet environments! The assets are optimized for mobile and VR.
Videos:
Video walkthrough
Features:
Includes 4 examples scene to get you started:
_All props, creatures and terrains assets are using only two textures/materials.
_Include 4 different skyboxes
_4 alien creatures with an idle animation and 3 skins each.
_Structures, terrains, cliffs, vegetation models, etc..
_Models range from 40 to 950 triangles.
_Particle effects: Ashes, Acid clouds, bubbles, volcano, gas cloud, rays, etc….