“He determines the number of the stars and calls them each by name. ” Psalm 147:4 NIV

Spacescape is a free tool for creating space skyboxes with stars and nebulas.

Spacescape comes with 3 example files in the “save” directory and 10 billboard star textures in the “media/materials/textures” directory.
You can use Spacescape to make skyboxes for your free or commercial game, no license or royalties required!

Using Spacescape with Unreal Engine 4